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.

fill in the blanks with the correct words

water pollution rubbish deforestation soil pollution air pollution

noise pollution water level reduce reuse recycle

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

2 If the Earth is the warmer , the ..............will rise.

3................causes hearing and sleeping problem.

4 The things you throw away is called .............

5.................causes floods and makes animals'home dissappear

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..............cause breathing problems and makes the earth warmer

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 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.

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: Which factors create harmful gases?

A. Many things like water and air.

B. Vehicles and factories.

C. Plants and animals.

D. The sun and the moon.

many products are now helping you with your energy bills. a. reduce b. reuse c. recycle d. cut down 5. it takes a lot of energy to keep food cool, so don't the fridge door open or putting hot things inside. a. make b. have c. left. stop 6. future houses will have hi-tech rooms for all of the family members. a. read b. to read c. reading d. to reading 7. our houses will use the sun or the wind electricity. a. to have b. to do c. to make d. to give 8. in the future, cars might use energy from. a. gas b. water c. oil d. power 9. our dream house will be located in the sea. a. on b. at c. in d. between 10. don't old things because perhaps you will need them later. a. throw b. throw away c. throwing d. throwing away 11. causes many breathing problems. a. fresh air b. fresher air is. polluted air d. polluted air 12. we won't use cd players because we will have smartwatches that _____ music. a. play b. plays c. hear d. listen to 13. if you eat fast food, you will be fatter easily. a. very b. very much c. too much d. most

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.

1.      You can save money while shopping by only buying ___ you need. (what/ it/ this/ that)

2.       Don’t throw rubbish into the river because you will make it ____. (greener/ dirty/ cleaner/ fresher)

3.       If people turn off all electric appliances in one hour all over the world, they can save lots of _____

(electric/ electrical/ electrician/ electricity)

4.       It is a good idea to ______ our clothes with our friends or cousin. (change/ swap/ turn/ send)

5.       If you have old clothes, will you give them to people ____? (need/ to need/ for needing/ in need)

6.       My brother and I will give last year’s clothes to _____ instead of throwing them away. (shop/ people/ charity/ survey)

7.      In the future, robots will be able to do more ___ things for us. ( easy/ harder/ complicated/ much difficult)

8.      I don’t agree __ you that robots will be able to write a letter to an English friend. (of/ about/ to/ with)

9.      Do you think robots can work longer than people ___ getting tired. (but/ with/ without/ of)

10. My father always ____ coffee at home instead of going to the coffee shop. (do/ does/ make/ makes)

11.  Will robots be able ____ our voices? (to recognize/ recognizing/ to recognizing/ for recognizing)

12. Home robots can do things _____ repairing things around the house or looking after the garden. (such/ like/ with /of)