last-with-to-save-for-cost

SAVING ENERGY

For most North American households, lighting accounts(1)................. 10 percent to 15 percent of the electricity bill. However, this amount can be reduced by replacing an ordinary 100-watt light buld(2)........... an energy-saving buld. These bulds use a quartar of the electricity of standard bulds and(3).............. eight times longer. Therefore consumers can(4)............... about U$$7 toU$$21 per buld

Use the correct form of the words in brackets to complete sentences and write your answers in the box below.

21. Stephen Hawking is one of the most ________scientists in the world. (FAME)

22. What should we do to reduce the level of __________in our city? (POLLUTE)

23. Many people believe that UFOs really ______________. (EXISTENCE)

24. The Internet is the most wonderful _____________ of modern life. (INVENT)

1. " why don't we use energy-saving bulbs to save electricity?" an said

an suggested that energy-saving bulds............................................................

2. my father suggested going out for a meal

my father said " shall..................................................

3. my sister watches more tv than me

i don't..............................................................

4. if i finish my homework, i can go out at the weekend

unless i ..............................................................................

In Western countries, electricity, gas, and water are not luxuries but necessities. Companies now realize that consumers want products that will not only work effectively, but also save money.

For most North American households, lighting accounts for 10 percent to 15 percent of the electricity bill. However, this amount can be reduced by replacing an ordinary 100-watt light bulb with an energy-saving bulb. These bulbs use a quarter of the electricity of standard bulbs and last eieht times longer. Therefore consumers can save about US$7 to US$21 per bulb.

In Europe, there is a labeling scheme for refrigerators, freezers, washing machines and tumble dryers. The label tells the consumers how much energy efficiency each model has, compared with other appliances in the same category.

Ultimately, these innovations will save money as well as conserve the Earth's resources.

Answer the questions: Mrs. Jones uses only two ordinary bulbs and she pays US$8 for lighting. How much will she pay if she uses two energy-saving bulbs instead? (Giải thích rõ lí do nhá mn)

AE hộ vs bài tập tết :)))
Complete the sentences
1. Scientist/look/alternative/energy/sources

2. I/suggest/not turn/lights/when/room/light enough

3.It/necessary/use/energy-saving bulbs/instead/ordinary bulbs

4.You/reduce/amount/electricity/your family/use

5. If/we/go/waste/water/there/be/a shortage/fresh water

6. Energy-saving bulbs/should/use/save/electricity

7. The solar energy/get/the earth/not provide/enough/power/the world's population

8.I / think/we/turn/all/lights/fans/before/leave/the classroom

9. How about/take/a shower/instead/a bath/save/water

10. If/we/go/litter/enviroment/become/seriously/polluted

IV. Read the text then answer the questions: (2pts)

Electricity is the most common form of energy today. In the modern world, electricity is very available at the touch of a switch. Electricity has many uses. The most common use of electricity is providing artificial lighting. In factories, electricity is used to light up the work place. It is also used to operate air conditioners, computers and many other machines. Electricity is also used to power the many appliances that we have in our homes such as appliances include television sets, computers, electric fans, irons and many others. The list is simply endless. Modern man will most probably be lost without electricity.

1. Is electricity the most common form of energy today?

.........................................................................................................................

2. What is the most common use of electricity?

.........................................................................................................................

3. What do people use electricity for at home?

..........................................................................................................................

4. How would our life be if there were no electricity?

...............................................................................................................

15. Why don't we use energy saving appliances instead of ordinary ones to save energy? → I suggest that energy

16. The fact that people have spoiled the environment disappoints me. →I'm