1) If we pollute the air , we will have breathing problems.

2) If people polluted the water , a lot of fish will die.

3) If we cut down tree in the forest , there will be more floods

1.  We pollute the air. We have breathing problems.

---> If we pollute the air, we will have breathing problems.

2. People pollute the water. A lot of fish die.

---> If people pollute the water, a lot of fish will die.

3. We cut down trees in the forest. There are more floods.

---> If we cut down trees in the forest, there will be more floods.

If we walk or cycle, we will be healthy

If we use the car all the time, we will make the air dirty

If you reuse paper, you will save trees

If you make noise, your sister will not sleep

If i see a used bottle on the road, i will put it in the bin

1. If we walk or cycle, we will be healthy.

(Nếu chúng ta đi bộ hoặc đạp xe, chúng ta sẽ khỏe mạnh.)

2. If we use the car all the time, we will make the air dirty.

(Nếu chúng ta sử dụng xe mọi lúc, chúng ta sẽ làm cho không khí bị bẩn.)

3. If you reuse paper, you will save trees.

(Nếu bạn tái sử dụng giấy, bạn sẽ cứu được được cây cối.)

4. If you make noise, your sister won't sleep.

(Nếu bạn làm ồn, em gái của bạn sẽ không ngủ.)

5. If I see a used bottle on the road, I will put it in the bin.

(Nếu tôi nhìn thấy một cái chai đã qua sử dụng trên đường, tôi sẽ bỏ nó vào thùng.)

VIII Supply the correct words to complete the passage

1 The population of the world is ___increasing___.People need more ___ingredients___ to produce more food. They burn the forests __to___ get more land . They __kill__ wild animals and plants. In big cities , there are also lots __of__ people and traffic . People are wasting too ___much___ water, coal , oil and gas. They are producing too much ___waste___ This is polluting oil and gas . This is polluting the land , the rivers___and___ the oceans.

2 We should protect ___the___ environment . We shouldn't waste water power. We should __plant__ more trees. We should keep our environment ___clean___ . Switch the light ___off__ when we don't need it. Turn __off__ the dripping faucet when we see it. Don't leave trash__on__ the streets. Collect used papers, cans ___anf__ bottles. Factories can __recycle__ them. We ___should__ save the natural resources .

Huy Thắng Nguyễn từ sai kìa and nha k phải anf đâu

people need to breathe . if they don't breathe , they will die . but how (1)clean is the air people breathe ? if they breathe dirty air , they will have (2) breathing problems . plant and animal (3)need clean air too . a lot of the things in our lives create (4)harmful gases and make the air city ,like car , (5)motorbike, and factories . dirty air is called ''polluted air '' . air (6) pollution can also make our earth warmer .

harmful , beathing, pollution , motorbike, need, clean

people need to breathe . if they don't breathe , they will die . but how (1)....CLEAN..........is the air people breathe ? if they breathe dirty air , they will have (2) ............BREATHING.............problems . plant and animal (3)......NEED..........clean air too . a lot of the things in our lives create (4).....HARMFUL........gases and make the air city ,like car , (5)....MOTORBIKE........., and factories . dirty air is called ''polluted air '' . air (6) ...POLLUTION.........can also make our earth warmer .

harmful , beathing, pollution , motorbike, need, clean

I/ 1.little

2/ much

3/much

4/ many

5/many

6/much

7/many

8/little

9/many

10/ many

II/ 1. Why do many people cut down the forest ?

2. Why don't they throw trash in the park ?

3. Why are a lot of wild animals in danger ?

Đáp án: B

Giải thích: Dựa vào câu: “Air pollution can also make our Earth warmer”.

Dịch: Ô nhiễm không khí cũng có thể làm cho Trái đất của chúng ta nóng lên.

Đáp án: D

Giải thích: Dựa vào câu: “Dirty air is called polluted air”.

Dịch: Không khí bẩn được gọi là không khí ô nhiễm.

II. For each question, complete the second sentence so that it means the same as the first. Use the word in brackets. You may need to change the word. Write NO MORE THAN THREE WORDS.

Here is an example.

0. The bookshop is opposite the library. ____________________ a bookshop opposite the library. (THERE)

Answer: 0. There is

1. Don’t go out in the rain because you’ll get wet. If _________you go out__________ in the rain, you’ll get wet. (GO)

2. When she invites me, it is possible that I will go. _________If she invites__________ me, I’ll go. (IF)

3. Children don’t have to go to school on stormy days. If it is stormy, children __________won't have to____________ go to school. (HAVE)

4. You should decrease your use of water, or you will have to pay a lot. If you ___________don't decrease your___________ use of water, you will have to pay a lot. (REDUCE)

5. These trees need water or they will die. If you __________don't water____________ these trees, they will die. (WATER)

We are DESTROYING the earth. The seas and rivers are to dirty to ..... swim in. There is so much smoke in the air that it is unhealthy to live in many of the world's cities. Poor farmers use the same ....... over and over. The land needs a rest. Farmers need more food. They CUT down trees for firewood. They need wood TO cook theirs now. Poor people can't save the environment for the future. They do NOT take enough care of the countryside. Wild ..... quickly dissapear.

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