1.Students recycle and use recycled materials. They save energy.

-.....If students recycle and use recycled materials, they will save energy.......

2. We use the car all the time. We make the air dirty.

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

3.You save electricity. You turn off your computer when you don’t use it.

-.....You will save electricity if you turn off your computer when you don’t use it........

4.People stop using so much energy. They want to save the environment.

-........If people want to save the environment, they will stop using so much energy.

5.You see a used can in the road. What will you do?

-.......If you see a used can in the road, what will you do?.........

6, We pollute the air. We have breathing problems.

……If we pollute the air, we will have breathing problems.………

7, People pollute the water. A lot of fish die.

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

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

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

9, The soil is polluted. Plants die. - ……If the soil is polluted., plants will die. 

10, There is noise pollution. People and animals have hearing problems.

…If there is noise pollution, people and animals will have hearing problems.………

-> If students recycle and use recycled materials they will save energy.

Sắp xếp

=> If students recycle and use recycled materials they will save energy.

hok tốt

==.==

⇒If students recycle and use recycled materials they will save energy.

chúc bạn học tốt   

Đáp án A

Giải thích: energy: năng lượng

Dịch: Nếu học sinh tái chế và dùng các vật dụng tái chế, chúng sẽ bảo vệ được môi trường.

Sắp xếp

1. brush/the dishes/off/you/or/wash/turn/when/your/the tap/teeth//

turn off the tap when you brush your teeth or wash the dishes

2. recycle/materials/save/students/they/if/energy/will/and/recycled/use//

if students recycle and use recycled materials, they will save energy

1. Turn off the tap when you brush your teeth or wash the dishes.

2. If student recycle and use recycled materials, they will save energy.

Make sentences:

1. people/ there/ less/ pollution/ if/ recycle/ be/ air/ more/ will

if people recycle more , there will be less pollution

2. should/ amount/ your/ uses/ the/ you/ of/ family/ reduce/ electricity

you should reduce the amount of electricity your family uses

3. recycle/ materials/ save/ students/ they/ if/ energy/ will/ and/ recycled/ use

if the students recycle and use recycled materials , they will save energy

4. doesn't/ class/ Tom/ today/ to/and/ come/ probably/,/ won't/ either/ he/ tomorrow/ come

Tom doesn't come to class today and probably tomorrow he won't come, either

5. but/ called/ I/their/ no one/ the/ phone/ house/ answered

i called their house phone but no one answered

Chọn đáp án: A

Giải thích: energy: năng lượng

Dịch: Nếu học sinh tái chế và dùng các vật dụng tái chế, chúng sẽ lưu trữ được năng lượng.

1. for/ butter/ breakfast/ bread/ and/ I/ to/ have/ like.

I like to have bread and butter for breakfast

2. to/ visit/ how often/ grandparents/ come/ do/ your/ you?

How often do you come to visit your grandoarents?

3. your/ brush/ you/ to/ usually/ teeth/ you/ go/ do/ bed/ before?

Do you usually brush your teeth before go to bed?

4. on/ there/ TV/ tonight/ is/ interesting/ an/ film.

There is an interesting film on TV tonight

5. two weeks/ going/ to/ this summer/ the/ my family/ are/ for/ beach

My family are going to the beach for two weeks this summer

6.If more people recycle, there will be less air pollution

7.We can save natural resources by using solar energy instead of fossil fuels.

8.You should reduce the amount of electricity your family uses

9.Turn off the tap when you brush your teeth or wash the dishes

10.If students recycle and use recycled materials they will save energy

1. I like have to bread and butter for breakfast.

2. How often do you come to visit your grandparents ?

3. Do you usually brush your teeth before you do to bed ?

4. there is an interesting film tonight.

5. my family are going to the beach two weeks for this summer.

6. if there people recycle more, air will be less pollution

7. we can save resources of natural by using solar energy instead fossil fuels.

8. you should reduce electricity amount uses the your of family.

9. turn off the tap when you brush your teeth or wash the dishes

10. if students recycle and use recycled materials, they will save energy.