PART B: Language focus  Circle the best answer (A, B, C or D) to complete these sentences.

21. …………happens when water in lakes, rivers and oceans is polluted.

          A. Soil pollution  B. Air pollution    C. Water pollution         D. Deforestation

22.  “…………….” means using something again.

A. Reduce             B. Reuse               C. Recycle                      D. Repeat

23. Will super cars run on water in the future?

          A. Yes, it will                 B. No, it won’t     C. Yes, they won’t         D. Yes, they will

24. I think we should take a shower…………a bath to save water.

          A. because of                 B. although                    C. instead of                  D. and

25. We should give unused clothes to……………….to help the people in need.

A. charity             B. factory             C. market             D. hospital

26. If the Earth  …………..warmer, the sea level………………..

A. are/will rise      B. is/ will be rise   C. is/will rise                  D. are/ rise

27. In the future, we will have ……………..to do housework.

A. robots              B. wireless TV     C. smart phone    D. hi-tech fridge

28. Do you think we might ..................... with robots in the future?

A. to live              B. living               C. live                            D. lives

29. The three Rs ..........for Reduce, Reuse and Recycle.   

A. stand                         B. sit                    C. make                D. explain                        

30. How will we travel to the moon?- …………

          A. Yes, we will     B. by spaceship    C. under the ocean              D. next decade

Choose the best answer for each of the following sentences.

1. We should use reusable water bottles_________of plastic ones.

A. because B. instead C. despite D. however

2. Walking to school will help ________ air pollution.

A. refill B. reuse C. recycle D. reduce

3. The prefix re-in the world reuse means ________.

A. again B. none C. for D. against

4. We should go to school by bike to _________ the energy.

A. save B. protect C. pollute D. spray

5. One of the bad things about ________ is that it can make fish die.

A. noise B. soil pollution

C. water pollution D. air pollution

6. We should find creative ways to reuse old items before _________ them away.

A. breathing B. washing C. hearing D. throwing

7. If there is an earthquake, the villagers ________ in the shelter.

A. will stay B. stay C. stayed D. would stay

8. The town will flood if there ________ a downpour.

A. would be B. is C. was D. will be

9. If the weather _________ good, Linh __________ out with us.

A. is - goes B. will be - goes

C. is - will go D. will be - will go

10. The bear _________ you if you __________ it.

A. attacks - provoke B. will attack - provoke

C. attacks - will provoke D. will attack - will provoke

Choose the correct option A, B, C, or D to complete the sentences.

1. There isn't ........... milk in the fridge. (A.some / B. any / C. a lot / D. many)

2. If we all use this kind of bag, we ........ the environment. (A. are / B. were / C. will help / D. will do)

3. This is, ......... woman I've ever met. (A. the borest / B. the most boring / C. the boring / D. the most bored)

4. ........... eat too much sugar. It's not good for you. (A. Do / B. Don't / C. Please / C. Can't)

5. If the Earth ......... warmer, the sea level. (A. are/will rise //B. is/will be rise //C. is/will rise //D. are/rise)

Choose the letter A, B, C or D to answer these following questions

People need to breathe. If they don’t breathe, they will die. But how clean is the air people breathe? If they breathe dirty air, they will have breathing problems. Plants and animals need fresh air too. A lot of the things in our lives create harmful gases and make the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer.

Question: What is the impact of air pollution to the Earth?

A. TThe Earth will be exploded.

B. The Earth will get warmer.

C. People can’t live on the Earth. 

D. The Earth has no impact.

điền vào chỗ trống các từ đúng 

water pollution ; rubbish ; deforestation ; soil pollution ; air pollution ; noise pollution ; water level ; reduce ; reuse ; recycle.

1, ........................................... happens when water in the rivers , lakes , seas is dirty.

2, if the earth is warmer , the ....................................... will rise .

3, the things you throw away is called.......................................

4, ............................................ causes hearing and sleeping problem.

5, ............................................ causes floods ang makes animals' home disappear

6, ................................ means using somethings again.

7, you should walk more to ....................................... air pollution .

8, we can ............................................................ paper , glass , plastic bottles ...

9, ........................................ makes plants die and causes lack of food.

10, .................................................. causes breathing problems and makes the earth warmer.

Choose A, B, C or D to complete the following passage: (Chọn A, B, C hoặc D để hoàn thành đoạn văn sau:)

AIR QUALITY

People need to breath. If they don’t breath, they (1)............. die. But how clean is the air people breath?

If they breath dirty air, they will have breathing problems and (2)............. ill. Plants and animals need clean air, too. (3)............. of things in our lives create harmful gases and make the air dirty, like cars, motorbike and factories. Dirty air called (4).............. air. Air pollution can also makes our Earth warmer. The problem of air pollution started with the burning a lot of coal in homes and factories.
1- A. will B. is C. are D. won’t
2- A. become B. became C. becomes D. will become
3- A. Some B. Many C. Few D. A lot
4- A. pollute B. polluted C. pollution D. polluting

Choose the letter A, B, C or D to answer these following questions

People need to breathe. If they don’t breathe, they will die. But how clean is the air people breathe? If they breathe dirty air, they will have breathing problems. Plants and animals need fresh air too. A lot of the things in our lives create harmful gases and make the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer.

Question: What will happen if people don’t breathe?

A. They will have troubles in breathing.

B. They can’t speak.

C. They will die.

D. They aren’t able to move

Choose the letter A, B, C or D to answer these following questions

People need to breathe. If they don’t breathe, they will die. But how clean is the air people breathe? If they breathe dirty air, they will have breathing problems. Plants and animals need fresh air too. A lot of the things in our lives create harmful gases and make the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer.

Question: What is the other name of dirty air?

A. Polluting air

B. Pure air

C. Breathless air

D. Polluted air

Choose the letter A, B, C or D to answer these following questions

People need to breathe. If they don’t breathe, they will die. But how clean is the air people breathe? If they breathe dirty air, they will have breathing problems. Plants and animals need fresh air too. A lot of the things in our lives create harmful gases and make the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer.

Question: What is the harm of people when they breathe dirty air?

A. They will suffer diseases related to breathing.

B. They have no problem.

C. The environment is polluted

D. Many animals and plants will die.