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When you save energy, you not only save money, you also reduce the demand for ___________ such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

A. carbon footprint B. electricity C. fossil fuels D. biogas

12. In India, the demand for ___________ has always been more than the supply.

A. shortage B. sources C. slogan D. electricity

13. ___________ energy is produced by collecting sunlight and converting it into electricity.

A. Hydro B. Nuclear C. Solar D. Wind

14. There are many available ___________ power sources in Vietnam including sun, wind, water, etc.

A. nuclear B. hydro C. renewable D. solar

15. Laos and Cambodia have big plans for building up to 11 ___________ on the lower Mekong.

A. dams B. slogans C. energy D. coals

16. ___________ can be an excellent source of free, renewable energy for poor farmers.

A. Turbine B. Biogas C. Solar panel D. Bulb

17. The government has warned that Britain will face power ___________ in the coming winters.

A. coal B. shortages C. slogans D. energy

18. Wind power is one of the earliest ___________ sources of energy used by humankind.

A. alternative B. polluted C. harmful D. exhausted

19. Nobody can predict exactly when supplies of fossil fuels will be ___________. However, we all know they quickly reduce in quantity.

A. installed B. polluted C. harmful D. exhausted

20. Biogas can be used to ___________ natural gas in cooking, heating, or electrical generation.

A. use up B. replace C. pollute D. install

21. Solar energy can be used for ___________ electricity, and for hot water heating.

A. investing B. polluting C. generating D. installing

22. The non-renewable sources of energy that we are using are ___________ and are bound to expire one day.

A. limited B. plentiful C. abundant D. alternative

1
10 tháng 5 2023

11. C. fossil fuels
12. D. electricity
13. C. Solar
14. C. renewable
15. A. dams
16. B. Biogas
17. B. shortages
18. A. alternative
19. D. exhausted
20. B. replace
21. C. generating
22. A. limited

1. When you save energy, you not only save money, you also reduce the demand for ................. such as coal, oil, and natural gas and that is a great way to play a part in saving the planet. A. carbon footprint B. electricity C. fossil fuels D. biogas 2. In India, the demand for ................. has always been more than the supply. A. shortage B. sources C. slogan D. electricity 3. ................. energy is produced by collecting sunlight and converting it into electricity. ...
Đọc tiếp

1. When you save energy, you not only save money, you also reduce the demand for ................. such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

A. carbon footprint B. electricity

C. fossil fuels D. biogas

2. In India, the demand for ................. has always been more than the supply.

A. shortage B. sources C. slogan D. electricity

3. ................. energy is produced by collecting sunlight and converting it into electricity.

A. Hydro B. Nuclear C. Solar D. Wind

4. There are many available ................. power sources in Vietnam including sun, wind, water, etc.

A. nuclear B. hydro C. renewable D. solar

5. Laos and Cambodia have big plans for building up to 11 .......... on the lower Mekong.

A. dams B. slogans C. energy D. coals

6. ................. can be an excellent source of free, renewable energy for poor farmers.

A. Turbine B. Biogas C. Solar panel D. Bulb

7. The government has warned that Britain will face power ................. in the coming winters.

A. coal B. shortages C. slogans D. energy

8. Wind power is one of the earliest ................. sources of energy used by humankind.

A. alternative B. polluted C. harmful D. exhausted

9. Nobody can predict exactly when supplies of fossil fuels will be ................. However, we all know they quickly reduce in quantity.

A. installed B. polluted C. harmful D. exhausted

10. Biogas can be used to ................. natural gas in cooking, heating, or electrical generation.

A. use up B. replace C. pollute D. install

11. Solar energy can be used for ................. electricity, and for hot water heating.

A. investing B. polluting C. generating D. installing

12. The non-renewable sources of energy that we are using are ................. and are bound to expire one day.

A. limited B. plentiful C. abundant D. alternative

13. Shall I say hello to Sharon? I ................. to her today.

A. write B. be writing C. will be writing

14. Can I help you? I ................. you that blouse.

A. will be showing B. will show C. won’t show

15. Good Lord! The engine has stopped. - No problem. Bill ................. a look at it.

A. is having B. will have C. will be having

16. Why don’t you have dinner with us? I ................. anyway.

A. will be cooking B. am cooking C. cook

17. This time next week we ................. round the Aegean Sea.

A. sail B. will be sailing C. will sail

18. If you take three cassettes, you ................. one cassette free.

A. are going to get B. are getting C. will get

19. I ................. my work before they arrive.

A. will be finishing B. finish C. will finish

20. By the end of this century everyone ................. English.

A. will be speaking B. is going to speak C. speaks

1
16 tháng 5 2020

1. When you save energy, you not only save money, you also reduce the demand for ................. such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

A. carbon footprint B. electricity

C. fossil fuels D. biogas

2. In India, the demand for ................. has always been more than the supply.

A. shortage B. sources C. slogan D. electricity

3. ................. energy is produced by collecting sunlight and converting it into electricity.

A. Hydro B. Nuclear C. Solar D. Wind

4. There are many available ................. power sources in Vietnam including sun, wind, water, etc.

A. nuclear B. hydro C. renewable D. solar

5. Laos and Cambodia have big plans for building up to 11 .......... on the lower Mekong.

A. dams B. slogans C. energy D. coals

6. ................. can be an excellent source of free, renewable energy for poor farmers.

A. Turbine B. Biogas C. Solar panel D. Bulb

7. The government has warned that Britain will face power ................. in the coming winters.

A. coal B. shortages C. slogans D. energy

8. Wind power is one of the earliest ................. sources of energy used by humankind.

A. alternative B. polluted C. harmful D. exhausted

9. Nobody can predict exactly when supplies of fossil fuels will be ................. However, we all know they quickly reduce in quantity.

A. installed B. polluted C. harmful D. exhausted

10. Biogas can be used to ................. natural gas in cooking, heating, or electrical generation.

A. use up B. replace C. pollute D. install

11. Solar energy can be used for ................. electricity, and for hot water heating.

A. investing B. polluting C. generating D. installing

12. The non-renewable sources of energy that we are using are ................. and are bound to expire one day.

A. limited B. plentiful C. abundant D. alternative

13. Shall I say hello to Sharon? I ................. to her today.

A. write B. be writing C. will be writing

14. Can I help you? I ................. you that blouse.

A. will be showing B. will show C. won’t show

15. Good Lord! The engine has stopped. - No problem. Bill ................. a look at it.

A. is having B. will have C. will be having

16. Why don’t you have dinner with us? I ................. anyway.

A. will be cooking B. am cooking C. cook

17. This time next week we ................. round the Aegean Sea.

A. sail B. will be sailing C. will sail

18. If you take three cassettes, you ................. one cassette free.

A. are going to get B. are getting C. will get

19. I ................. my work before they arrive.

A. will be finishing B. finish C. will finish

20. By the end of this century everyone ................. English.

A. will be speaking B. is going to speak C. speaks

16 tháng 5 2020

Bạn có chắc chắn ko vậy

Choose the best answer to complete each of the following sentences. 1. The wind, the sun, and the wave are some types of __________ sources of energy. A. changeable B. alternative C. cheap D. costly 2. Remember to __________ the lights before going to bed. A. turn B. turn on C. turn off D. stop 3. People will reduce energy __________ as much as possible. A. consume B. consumption C. expense D. expenses 4. Nuclear power is expensive and dangerous __________ our environment. A. for B. to...
Đọc tiếp

Choose the best answer to complete each of the following sentences.

1. The wind, the sun, and the wave are some types of __________ sources of energy.

A. changeable B. alternative C. cheap D. costly

2. Remember to __________ the lights before going to bed.

A. turn B. turn on C. turn off D. stop

3. People will reduce energy __________ as much as possible.

A. consume B. consumption C. expense D. expenses

4. Nuclear power is expensive and dangerous __________ our environment.

A. for B. to C. in D. with

5. Human is looking for a clean, cheap and __________ sources of energy.

A. effective B. effect C. effectively D. effectiveness

6. Low energy light bulbs should be used to __________ electricity.

A. spend B. buy C. convert D. save

7. We must __________ the amount of water our family used every day.

A. lower B. reduce C. lessen D. narrow

8. At this time next month we __________ to Ha Long Bay for a holiday.

A. will go B. will going C. will be gone D. will be going

9. By the middle of the 21st century, people in developing countries __________ more renewable energy.

A. uses B. will be using C. used D. have

10. Fossil fuels are very common in our society but they __________ the environment.

A. renew B. provide C. waste D. pollute

11. When you save energy, you not only save money, you also reduce the demand for __________ such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

A. carbon footprint B. electricity

C. fossil fuels D. biogas

12. In India, the demand for __________ has always been more than the supply.

A. shortage B. sources C. slogan D. electricity

13. __________ energy is produced by collecting sunlight and converting it into electricity.

A. Hydro B. Nuclear C. Solar D. Wind

14. There are many available __________ power sources in Vietnam including sun, wind, water, etc.

A. nuclear B. hydro C. renewable D. solar

15. Laos and Cambodia have big plans for building up to 11__________ on the lower Mekong.

A. dams B. slogans C. energy D. coals

1
24 tháng 3 2020

Choose the best answer to complete each of the following sentences.

1. The wind, the sun, and the wave are some types of __________ sources of energy.

A. changeable B. alternative C. cheap D. costly

2. Remember to __________ the lights before going to bed.

A. turn B. turn on C. turn off D. stop

3. People will reduce energy __________ as much as possible.

A. consume B. consumption C. expense D. expenses

4. Nuclear power is expensive and dangerous __________ our environment.

A. for B. to C. in D. with

5. Human is looking for a clean, cheap and __________ sources of energy.

A. effective B. effect C. effectively D. effectiveness

6. Low energy light bulbs should be used to __________ electricity.

A. spend B. buy C. convert D. save

7. We must __________ the amount of water our family used every day.

A. lower B. reduce C. lessen D. narrow

8. At this time next month we __________ to Ha Long Bay for a holiday.

A. will go B. will going C. will be gone D. will be going

9. By the middle of the 21st century, people in developing countries __________ more renewable energy.

A. uses B. will be using C. used D. have

10. Fossil fuels are very common in our society but they __________ the environment.

A. renew B. provide C. waste D. pollute

11. When you save energy, you not only save money, you also reduce the demand for __________ such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

A. carbon footprint B. electricity

C. fossil fuels D. biogas

12. In India, the demand for __________ has always been more than the supply.

A. shortage B. sources C. slogan D. electricity

13. __________ energy is produced by collecting sunlight and converting it into electricity.

A. Hydro B. Nuclear C. Solar D. Wind

14. There are many available __________ power sources in Vietnam including sun, wind, water, etc.

A. nuclear B. hydro C. renewable D. solar

15. Laos and Cambodia have big plans for building up to 11__________ on the lower Mekong.

A. dams B. slogans C. energy D. coals

Read the text then answer the questions. (Đọc và trả lời câu hỏi) Dear guests, I’d like to talk to you today about renewable and non-renewable energy. Fossil fuels are non-renewable energy sources. They include oil, coal, and natural gas. They can be used to create energy, generate electricity, or drive big machinery. Unfortunately, they are harmful to the environment. Viet Nam still relies mostly on non-renewable energy sources, however, hydro power is increasingly used here...
Đọc tiếp

Read the text then answer the questions. (Đọc và trả lời câu hỏi)

Dear guests, I’d like to talk to you today about renewable and non-renewable energy. Fossil fuels are non-renewable energy sources. They include oil, coal, and natural gas. They can be used to create energy, generate electricity, or drive big machinery. Unfortunately, they are harmful to the environment. Viet Nam still relies mostly on non-renewable energy sources, however, hydro power is increasingly used here too.

Hydro and nuclear power can generate a great deal of energy. They are renewable and plentiful. However, hydro power is limited because dams cannot be built in certain areas. Nuclear power can provide enough electricity for the world’s needs, but it is dangerous. The sun and the wind are other alternative sources of energy. The wind turns turbines to

make electricity. Solar power can be converted into electricity. It can be used to heat or cool our houses. Although there are some disadvantages, these alternative energy sources can offer abundant amounts of clean, safe electricity. They will be valued more and more in the future in Viet Nam.

1.How many types of energy sources are mentioned in the text? What are they?

2.What are the disadvantages of hydro and nuclear power?

3.Why do you think the wind and the sun are called alternative sources of energy?

4.What types of energy does Viet Nam use most?

5.What does the professor think Viet Nam will use more in the future?

1
11 tháng 10 2020

1.How many types of energy sources are mentioned in the text? What are they?

Two. They are renewable and non-renewable.

2.What are the disadvantages of hydro and nuclear power?

Hydro power is limited because dams cannot be built in certain areas. Nuclear power is dangerous.

3.Why do you think the wind and the sun are called alternative sources of energy?

Because they are natural sources of power and we use them instead of non-renewable sources to get the electricity we need.

4.What types of energy does Viet Nam use most?

We use non-renewable sources of energy the most but we are increasingly using hydro power.

5.What does the professor think Viet Nam will use more in the future?

He thinks Viet Nam will use the wind and the sun as alternative sources of energy in the future

Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth? Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water. Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are...
Đọc tiếp

Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth?

Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water.

Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are necessary for human life. If we are able to collect solar energy, we will be sure to have this abundant source of power.

1. From which do plants on the earth get energy?

A. Stars

B. The Mars

C. The moon

D, The sun

2. What are the other words or phrase for fossil fuels?

A. Natural

B. Oil

C. Coal

D. Oil, gas, natural gas

3. Natural sources of energy are energy from..............

A. Wind

B. The sun

C. Water

D. The sun, wind, water

4. The word "abundant" in the passage is closet in meaning with............

A. Plentiful

B. Limited

C. Natural

D. Necessary

3
29 tháng 6 2019

Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth?

Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water.

Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are necessary for human life. If we are able to collect solar energy, we will be sure to have this abundant source of power.

1. From which do plants on the earth get energy?

A. Stars

B. The Mars

C. The moon

D, The sun

2. What are the other words or phrase for fossil fuels?

A. Natural

B. Oil

C. Coal

D. Oil, gas, natural gas

3. Natural sources of energy are energy from..............

A. Wind

B. The sun

C. Water

D. The sun, wind, water

4. The word "abundant" in the passage is closet in meaning with............

A. Plentiful

B. Limited

C. Natural

D. Necessary

29 tháng 6 2019

Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth?

Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water.

Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are necessary for human life. If we are able to collect solar energy, we will be sure to have this abundant source of power.

1. From which do plants on the earth get energy?

A. Stars

B. The Mars

C. The moon

D, The sun

2. What are the other words or phrase for fossil fuels?

A. Natural

B. Oil

C. Coal

D. Oil, gas, natural gas

3. Natural sources of energy are energy from..............

A. Wind

B. The sun

C. Water

D. The sun, wind, water

4. The word "abundant" in the passage is closet in meaning with............

A. Plentiful

B. Limited

C. Natural

D. Necessary

II.Read the following passage carefully, then write the sentences are True ( T ) or False ( F ) A.Thousands of people in Calcutta, India, have no jobs and no proper homes. They live in homes made of mats, boxes, and rusty sheets of tin. Many people have to camp permanently in the railway stations, cooking, eating, sleeping and feeding their babies there. Babies are born in the streets and peolpe die there too. As many as seventeen out of every hundred families live in the streets, having...
Đọc tiếp

II.Read the following passage carefully, then write the sentences are True ( T ) or False ( F )
A.Thousands of people in Calcutta, India, have no jobs and no proper homes. They live in homes
made of mats, boxes, and rusty sheets of tin. Many people have to camp permanently in the
railway stations, cooking, eating, sleeping and feeding their babies there. Babies are born in the
streets and peolpe die there too.
As many as seventeen out of every hundred families live in the streets, having nowhere to go.
Many of these people are sick because of a hot and damp climate.Although the government tries
hard to provide houses, schools, and medical services, it can hardly keep up with the increasing
population.
1. ___ Many people in Calcutta live in bad conditions because they have no jobs.
2. ___ Babies from poor families are taken care of by the local government.
3. ___ Seventy percent of the families in Calcutta have to live in the streets.

4. ___ The local government makes effects to help poor families but it cannot solve the problem
successfully.
5 .___ Many people in Calcutta live in good conditions because they have no jobs.
6. ___ Babies are born in the street.
7. ___ Many people are sick because they don’t have enough money to live.
B. Titanic is a romantic film, directed by James Cameron. It is about the sinking of the ship
Titanic on its first voyage. The main characters are Jack Dawson and Rose DeWitt Bukater.
Although, they are from different social classes, they fall in love. The film has a sad ending:
the Titanic sinks and more than a thousand people die in the disaster, including Jack. Critics
say it is a must-see. Many people love it.
1. ___ James Cameron is a director .
2. ___ Rose DeWitt Bukater is a crictic .
3. ___ Jack and Rose are the same classes .
4. ___ Jack dies when the ship sinks
C. Fossil fuels are non- renewabe energy sources . They include oil , coat , and natural gas .
they can be used to create energy , genergrate electricity , or drive big machinery .
Unfortunately, they are harmful to the environment . Vietnam still relies mostly on non –
renweable energy sources . However, hydro power is increasingly used here too.
Hydro and nuclear power can generate a great deal of energy . They are renewable and
plentiful However , hydro power is limited beacause can not be built in a certain area.
Nuclear power can provide enough electricity for the world needs , but it is dangerous.The
sun and the wind are other alternative sources of energy . The wind turns turbines to make
electricity . Solar power can be converted into electicity . It can be used to heat or cool our
houses . Although there are some diadvantages , these alternative energy sources can offer
abundant amounts of clean , safe electricity . They will be valued more and more in the
future in Vietnam.
1. __ Fossil fuels are environmentally friendly to the environment
2. __ Fossil fuels aren’t environmentally friendly to the environment
3. __ Nuclear power is alternative energy sources and dangerous
4. __ Vietnam still relies mostly on Nuclear power
5. __ Non- renewable energy sources can be converted into electicity
6. __ Solar power can be used to heat or cool our houses .
7. __Hydro power is unlimited beacause can not be built in a certain area

1
8 tháng 4 2022

1. _T__ Many people in Calcutta live in bad conditions because they have no jobs.
2. _T__ Babies from poor families are taken care of by the local government.
3. _F__ Seventy percent of the families in Calcutta have to live in the streets.

4. _F__ The local government makes effects to help poor families but it cannot solve the problem
successfully.
5 .__T_ Many people in Calcutta live in good conditions because they have no jobs.
6. _F_ Babies are born in the street.
7. __F_ Many people are sick because they don’t have enough money to live.

Choose the correct answers. 16. What should we do to________ electricity? a. cut b. take c. save d. waste 17. Someone's carbon_______ is a measurement of the amount of carbon dioxide that their activities produce. a. effect b. amount c. footprint d. energy 18. _____ source of energy is the source that can't be replaced after use. a. Renewable b. Natural c. Effective d. Non-renewable 19. We are looking for cheap, clean and _____ sources of energy. a. effective b. efficient c. serious...
Đọc tiếp

Choose the correct answers.

16. What should we do to________ electricity?

a. cut b. take c. save d. waste

17. Someone's carbon_______ is a measurement of the amount of carbon dioxide that their activities produce.

a. effect b. amount c. footprint d. energy

18. _____ source of energy is the source that can't be replaced after use.

a. Renewable b. Natural c. Effective d. Non-renewable

19. We are looking for cheap, clean and _____ sources of energy.

a. effective b. efficient c. serious dangerous

20. We should put______ on our roof for the haeting and hot water.

a. solar energy b. equipment c. cracks d. solar panels

21. We should use______ light bulbs in our homes.

a. low energy b. little energy c. a bit energy d. efficient

22. In my opinion, nuclear power is not only expensive but also_____ to our environment.

a. danger b. dangerous c. risk d. disaster

23. Several governments try to _____ the use of fossil fuels.

a. reduce b. increase c. waste d. save

24. It is a good idea to use_____ when travelling long distances.

a. cars b. taxis c. private cars d. public transport

25. Wave energy is a sorce of______ energy.

a. environment friendly b. environmentallt friendly c. environmental friendly d. environmentally friendliness

26. Remember to_____ the lights before going to bed.

a. turn b. turn off c. turn on d. stop

27. A hydropower station_____ in the North of the country next year.

a. was built b. were built c. will be built d. has been built

28. Biogas is_____ and cheap for cooking and heating.

a. plenty b. abundant c. serious d. expensive

29. ''Why is it called a _____ souce?'' - ''Because it can be replaced easily and quickly.''

a. effective b. specific c. renewable d. non-renewable

30. At this time next week, we_____ a wind turbin in our garden.

a. install b. installed c. will installed d. will be installing

31. Alternative sources of energy______ developed in the near future.

a. is b. was c. has been d. will be

32. Hydro power is_____ because dams cannot be built in certtain areas.

a. limited b. unlimited c. abundant d. enough

33. Fossil fuels are very common in our society but they_____ the environment.

a. renew b. provide c. waste d. pollute

34. By the middle of the 21stcentury, people in developing countries_____ more renewable energy.

a. uses b. will be using c. used d. have used

35. The wind, the sun, and the wave are some types of______ sources of energy.

a. changeable b. alternative c. cheap d. costly

1

16. What should we do to________ electricity?

a. cut b. take c. save d. waste

17. Someone's carbon_______ is a measurement of the amount of carbon dioxide that their activities produce.

a. effect b. amount c. footprint d. energy

18. _____ source of energy is the source that can't be replaced after use.

a. Renewable b. Natural c. Effective d. Non-renewable

19. We are looking for cheap, clean and _____ sources of energy.

a. effective b. efficient c. serious dangerous

20. We should put______ on our roof for the haeting and hot water.

a. solar energy b. equipment c. cracks d. solar panels

21. We should use______ light bulbs in our homes.

a. low energy b. little energy c. a bit energy d. efficient

22. In my opinion, nuclear power is not only expensive but also_____ to our environment.

a. danger b. dangerous c. risk d. disaster

23. Several governments try to _____ the use of fossil fuels.

a. reduce b. increase c. waste d. save

24. It is a good idea to use_____ when travelling long distances.

a. cars b. taxis c. private cars d. public transport

25. Wave energy is a sorce of______ energy.

a. environment friendly b. environmentallt friendly c. environmental friendly d. environmentally friendliness

26. Remember to_____ the lights before going to bed.

a. turn b. turn off c. turn on d. stop

27. A hydropower station_____ in the North of the country next year.

a. was built b. were built c. will be built d. has been built

28. Biogas is_____ and cheap for cooking and heating.

a. plenty b. abundant c. serious d. expensive

29. ''Why is it called a _____ souce?'' - ''Because it can be replaced easily and quickly.''

a. effective b. specific c. renewable d. non-renewable

30. At this time next week, we_____ a wind turbin in our garden.

a. install b. installed c. will installed d. will be installing

31. Alternative sources of energy______ developed in the near future.

a. is b. was c. has been d. will be

32. Hydro power is_____ because dams cannot be built in certtain areas.

a. limited b. unlimited c. abundant d. enough

33. Fossil fuels are very common in our society but they_____ the environment.

a. renew b. provide c. waste d. pollute

34. By the middle of the 21stcentury, people in developing countries_____ more renewable energy.

a. uses b. will be using c. used d. have used

35. The wind, the sun, and the wave are some types of______ sources of energy.

a. changeable b. alternative c. cheap d. costly

We use many different energy sources to do work for us. Energy sources are classified into two groups - renewable and nonrenewable. Non-renewable energy sources are those that take millions of years to form and will run out some day. It is energy that comes from fossil fuels such as coal, crude oil, and natural gas. Fossil fuels are mainly made up of carbon and were formed millions of years ago. The chemical reaction which takes place when we burn fossil fuels releases carbon compounds such as...
Đọc tiếp

We use many different energy sources to do work for us. Energy sources are classified into two groups - renewable and nonrenewable. Non-renewable energy sources are those that take millions of years to form and will run out some day. It is energy that comes from fossil fuels such as coal, crude oil, and natural gas. Fossil fuels are mainly made up of carbon and were formed millions of years ago. The chemical reaction which takes place when we burn fossil fuels releases carbon compounds such as carbon monoxide and carbon dioxide into the air. Carbon dioxide is one of the green house gases which is contributing to global warming and air pollution. On the other hand, renewable energy sources will never run out, are better for the environment and do not cause pollution. Renewable energy is often called green energy because it is a natural energy, always available and does not have to be formed like nonrenewable energy. The green energy is always there. For example, the Sun consistently shines, water is abundant, and the winds blow throughout the year. The five types include solar, energy from the Sun; geothermal, energy from heat within the Earth; hydroelectric, energy from moving water; biomass, energy from dead plants and microorganisms and finally, energy from the wind.

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Đọc và trả lời câu hỏi ​Fossil fuels are non -renewable energy soircecs.They include oil,coal,and natutal gas.They can be used to create energy, generate electricity,or drive big machinery.Unfortunately,they are harmful to the environment. Viet Nam still relies mostly on non-renewable energy sources, however,hydro power is increasingly used here too. ​Hydro and nuclear power can generate a great deal of energy. They are renewable and plentiful.However,hydro power is limited...
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Đọc và trả lời câu hỏi

​Fossil fuels are non -renewable energy soircecs.They include oil,coal,and natutal gas.They can be used to create energy, generate electricity,or drive big machinery.Unfortunately,they are harmful to the environment. Viet Nam still relies mostly on non-renewable energy sources, however,hydro power is increasingly used here too.

​Hydro and nuclear power can generate a great deal of energy. They are renewable and plentiful.However,hydro power is limited because dams cannot be built in certain areas.Nuclear power can provide enough electricity for the world´s needs, but it is dangerous.

​The sun and the wind are other alternative sources of energy.

​1)What are non-renewable energy sources?

​2)What can non-renewable energy soirces be used?

​3)Why is hydro power limited?

​4)Can nuclear power provide enought electricity for the world´s needs?

​5)What are other alternative sousces of energy?​​

1
23 tháng 6 2020

Đọc và trả lời câu hỏi

​Fossil fuels are non -renewable energy soircecs.They include oil,coal,and natutal gas.They can be used to create energy, generate electricity,or drive big machinery.Unfortunately,they are harmful to the environment. Viet Nam still relies mostly on non-renewable energy sources, however,hydro power is increasingly used here too.

​Hydro and nuclear power can generate a great deal of energy. They are renewable and plentiful.However,hydro power is limited because dams cannot be built in certain areas.Nuclear power can provide enough electricity for the world´s needs, but it is dangerous.

​The sun and the wind are other alternative sources of energy.

​1)What are non-renewable energy sources?

​Fossil fuels are non -renewable energy soircecs.

​2)What can non-renewable energy soirces be used?

They can be used to create energy, generate electricity,or drive big machinery.

​3)Why is hydro power limited?

Because dams cannot be built in certain areas

​4)Can nuclear power provide enought electricity for the world´s needs?

Yes, it can

#Yumi

23 tháng 6 2020

haha​ mình làm bài này rồi chỉ kiểm tra cho chắc ăn ​

Chọn đáp án đúng: In the modern world, people depend on energy to power their everyday lives. A wide range of power-run devices and modern conveniences (1)...................................., and although it may seem that we will not be in danger of living without those conveniences, the fact is that many supplies of energy are running out rapidly. Scientists are constantly (2)...................................... new sources of energy to keep modern society running. Whether future...
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Chọn đáp án đúng:

In the modern world, people depend on energy to power their everyday lives. A wide range of power-run devices and modern conveniences (1)...................................., and although it may seem that we will not be in danger of living without those conveniences, the fact is that many supplies of energy are running out rapidly. Scientists are constantly (2)...................................... new sources of energy to keep modern society running. Whether future populations will continue to enjoy the benefits of abundant energy will depend (3)............................... the success of this search. Coal, oil and natural gas are now being used widely. (4).............................., these supplies are limited, and they are a major source of pollution. Therefore, the existing alternative energy sources must be improved or futher explored and developed. These include nuclear, water, solar, and wind power, as well as energy from new, (5)...................................... types of fuels. Each of these, however, has advantages and disadvantages.

1 A are used B used to C are using D use

2 A looking into B searching for C researching D finding

3 A on B for C with D in

4 A moreover B because C although D however

5 A poluting B polluted C nonpolluting D pollution

1
2 tháng 7 2020

Chọn đáp án đúng:

In the modern world, people depend on energy to power their everyday lives. A wide range of power-run devices and modern conveniences (1)...................................., and although it may seem that we will not be in danger of living without those conveniences, the fact is that many supplies of energy are running out rapidly. Scientists are constantly (2)...................................... new sources of energy to keep modern society running. Whether future populations will continue to enjoy the benefits of abundant energy will depend (3)............................... the success of this search. Coal, oil and natural gas are now being used widely. (4).............................., these supplies are limited, and they are a major source of pollution. Therefore, the existing alternative energy sources must be improved or futher explored and developed. These include nuclear, water, solar, and wind power, as well as energy from new, (5)...................................... types of fuels. Each of these, however, has advantages and disadvantages.

1 A are used B used to C are using D use

2 A looking into B searching for C researching D finding

3 A on B for C with D in

4 A moreover B because C although D however

5 A poluting B polluted C nonpolluting D pollution