1.

Choose the best answer to complete the sentences
It is a good idea to use ____________ when travelling long distances.

A.
cars
B.
taxis
C.
private cars
D.
public transport

2.
What should we do to ____________ electricity?

A.
cut
B.
take
C.
save
D.
waste

3.
We should use _____________ light bulbs in our homes.

A.
low energy
B.
little energy
C.
a bit energy
D.
efficient

4.
In my opinion, nuclear power is not only expensive but also _________ for environment.

A.
danger
B.
dangerous
C.
risk
D.
disaster

5.
Someone’s carbon __________ is a measurement of the amount of carbondioxide that their activities produce.

A.
effect
B.
amount
C.
footprint
D.
energy

6.
Several governments try to ____________ the use of fossil fuels.

A.
reduce
B.
increase
C.
waste
D.
save

7.
We are looking for cheap, clean and ____________ sources of energy.

A.
effective
B.
efficient
C.
serious
D.
dangerous

8.
__________ source of energy is the source that can’t be replaced after use.

A.
Renewable
B.
Natural
C.
Effective
D.
Non-renewable

9.
Wave energy is a source of ____________energy.

A.
environment friendly
C.
environmentally friendly
B.
environmental friendly
D.
environmentally friendliness

10. Remember to ____________ the lights before going to bed.
A.
turn
B.
turn off
C.
turn on
D.
stop


II. Change the following sentences in to the Passive Voice.
People will construct more wind turbines in that area to produce electricity.

More wind turbines ______will be constructed in that area to produce electricity. ________

2. With that device people will change the wave energy into electricity.

With that device the wave energy ____________will be changed into electricity. _____________________
III. Use the cues given to write correct sentences.

1. At present/ most/ our electricity/ come/ use/ coal, gas, oil or nuclear power.

At present most of our electricity come from the use the coal, gas, oil or nuclear power.

2. Scientists/ try/ find/ other alternative sources/ energy.

Scientists try to find out other alternative sources like energy.
3. energy / from / sun / be / clean / cheap/ safe /.

The energy comes from the sun is clean. cheap and safe.

6. We will cut down on the use of natural gas because it is …… and harmful to the environment.

7. Low energy light bulbs should be used to …… electricity.

8. We must …… the amount of water our family uses every day.

9. An air craft without a human pilot aboard is called a …… aircraft.

10. The cars which are generated by solar energy are called …… car.

11. It is a short walk …… my house …… the cinema.

12. The village always …… its harvest festival in the spring.

13. Tet is a time for Vietnamese families to clean and …… their houses.

14. Tom:  …… are you going to Phu Yen?       -Mary: To attend Hoi Mua festival.

15. ……. is used as non-renewable source of energy.

1.By the middle of the 21st century, people in developing countries ___ more renewable energy.
A. uses B. will be using C. used D. have used
2. The wind, the sun and the wave are some types of ___ sources of energy.
A. changable
B. alternative
C. cheap
D. costly
3. Alternative soures of energy ___ developed in the near future.
A. is
B. was
C. has been
D. will be
4. Fossil fuels are very common in our society but they ___ the environment.
A. renew
B. provide
C. waste
D. pollute
5. "Why is it called a ___ source?" - "because it can be replace easily and quickly"
A. effective
B. specific
C. renewable
D. non-renewable
6. Hydro power is ___ because dams connot be built in certain areas.
A. limited
B. unlimited
C. abundant
D. enough
7. At this time next week, we ___ a wind turbine in our farden.
A install
B. installed
C. will installed
D, will be installed
8. Biogas is ___ and cheap for cooking and heating
A. plenty
B. abundant
C, serious
D. expensive
9. A hydropower station ___ in the North of the country next year.
A. was built
B. were built
C. will be built
D, has been built
10. We should put ___ on our roof for the heating and hot water.
A. solar energy
B. equipment
C. cracks
D. solar panels
11. Remember to ___ the lights before going to bed.
A turn
B, turn off
C, turn on
D, stop

12. it is a good idea to use ___ when travelling long distances.

A cars

B taxis

C. private cars

D. public trans prot

13. What should we do to ___ electricity?

A. cut

b. take

c,save

d, waste

14. we shout use ___ light bulbs in our homes

a, low energy

B. little energy

c, a nit energy

d, efficient

Use suggestions to write full sentences: to + V -để ( diễn ra mục đích)

1. The energy / from / sun / cheap and clean

-> The energy from the sun is cheap and clean

2. It / important / save / natural resources

-> It is important to save natural resources

3. It / necessary / teach children / the energy saving

-> It is necessary to teach children the energy saving

4. What / people / do / reduce / their household bills / future /

-> What will people do to reduce their household bills in the future ?

They / use / low energy lights bulbs / home.

-> They will use low energy lights bulbs at home

5. Energy - saving appliances / should / be used / save electricity

-> Energy - saving appliances should be used to save electricity

6. We / reduce / our use of electricity / save our energy.

-> We should reduce our use of electricity to save our energy

8. We / have / put / diferent kinds / waste / different places

-> We have to put different kinds of waste at different places

9. Many farmers / use / bio gas / for / cook / at / home

-> Many farmers use biogas for cooking at home

Chọn câu trả lời đúng:

1. What should we do to _________ electricity ?

A. cut B. take C. save D. waste

2. Fossil fuels are very common in our society but they _________ the evironment.

A. renew B. provide C. waste D. pollute

3. Wave energy is a source of _________ energy.

A. environment friendly B. environmentally friendly

C. environmental friendly C. environmentally friendliness

4. Biogas is ______ and cheap for cooking and heating.

A. plenty B. abundant C. serious D. expensive

1. What should we do to _________ electricity ?

A. cut B. take C. save D. waste

2. Fossil fuels are very common in our society but they _________ the evironment.

A. renew B. provide C. waste D. pollute

3. Wave energy is a source of _________ energy.

A. environment friendly B. environmentally friendly

C. environmental friendly C. environmentally friendliness

4. Biogas is ______ and cheap for cooking and heating.

A. plenty B. abundant C. serious D. expensive

Chọn câu trả lời đúng:

1. What should we do to _________ electricity ?

A. cut B. take C. save D. waste

2. Fossil fuels are very common in our society but they _________ the evironment.

A. renew B. provide C. waste D. pollute

3. Wave energy is a source of _________ energy.

A. environment friendly B. environmentally friendly

C. environmental friendly C. environmentally friendliness

4. Biogas is ______ and cheap for cooking and heating.

A. plenty B. abundant C. serious D. expensive

I . Write a short paragraph about how to save energy.

1.Today / most people / use / much / electricity / water / gas./This / waste / sources / energy./

=> Today,most of people use much electricity such as: water,gas.This waste sources of energy

2.Howerver / we / reduce / amount / energy / we use daily / by some ways./

=> Howerver , we can reduce amount of energy we use daily by some ways

3.Firstly / we / should / turn / lights / fans / fans / air-conditioners / before / leave home / or /rooms./

=> Firstly,we should turn off the lights,fans and air-conditioners before we are leaving home or rooms

4.Secondly / we / replace / ordinary light bulbs / with / low energy ones./

=> Secondly,we should replace ordinary light bulbs with low energy ones

5.Thirdly / we / take / shower / instead / a bath./

=> Thirdly,we should take a shower instead of a bath

6.And / turn / tap / while / wash / dishes / brush / teeth,.../

=> And turn off the tap while we are washing dishes,brushing our teeths,...

7.Finally / we / travel / bike / or / foot / for short trips / and / use / public transport / long distances./

=> Finally,we should travel by bike or on foot for short trips and use public transports for long distances

8.In conclusion / if we / follow / simple rules /we / save energy / money / help the environment./

=> In conclusion,if we follow the simple rules,we will save enery,money and help the environment

HỌC TỐT NHA

tự túc là hạnh phúc

16. What should we do to________ electricity?

a. cut b. take c. save d. waste

17. Someone's carbon_______ is a measurement of the amount of carbon dioxide that their activities produce.

a. effect b. amount c. footprint d. energy

18. _____ source of energy is the source that can't be replaced after use.

a. Renewable b. Natural c. Effective d. Non-renewable

19. We are looking for cheap, clean and _____ sources of energy.

a. effective b. efficient c. serious dangerous

20. We should put______ on our roof for the haeting and hot water.

a. solar energy b. equipment c. cracks d. solar panels

21. We should use______ light bulbs in our homes.

a. low energy b. little energy c. a bit energy d. efficient

22. In my opinion, nuclear power is not only expensive but also_____ to our environment.

a. danger b. dangerous c. risk d. disaster

23. Several governments try to _____ the use of fossil fuels.

a. reduce b. increase c. waste d. save

24. It is a good idea to use_____ when travelling long distances.

a. cars b. taxis c. private cars d. public transport

25. Wave energy is a sorce of______ energy.

a. environment friendly b. environmentallt friendly c. environmental friendly d. environmentally friendliness

26. Remember to_____ the lights before going to bed.

a. turn b. turn off c. turn on d. stop

27. A hydropower station_____ in the North of the country next year.

a. was built b. were built c. will be built d. has been built

28. Biogas is_____ and cheap for cooking and heating.

a. plenty b. abundant c. serious d. expensive

29. ''Why is it called a _____ souce?'' - ''Because it can be replaced easily and quickly.''

a. effective b. specific c. renewable d. non-renewable

30. At this time next week, we_____ a wind turbin in our garden.

a. install b. installed c. will installed d. will be installing

31. Alternative sources of energy______ developed in the near future.

a. is b. was c. has been d. will be

32. Hydro power is_____ because dams cannot be built in certtain areas.

a. limited b. unlimited c. abundant d. enough

33. Fossil fuels are very common in our society but they_____ the environment.

a. renew b. provide c. waste d. pollute

34. By the middle of the 21stcentury, people in developing countries_____ more renewable energy.

a. uses b. will be using c. used d. have used

35. The wind, the sun, and the wave are some types of______ sources of energy.

a. changeable b. alternative c. cheap d. costly

Viết lại câu

1.I think you should use energy efficient light bulbs

->If I were you, I would use energy efficient light bulbs.

2.We need to reduce our plastic waste ,otherwise we’ll threaten our own existence

-> We'll threaten our own existence if we don't reduce our plastic waste.

-> If we reduce our plastic waste, we won't threaten our own existence.

1. If I were you, I would use energy efficient light bulbs.

-If we don't reduce our plastic waste, we'll threaten our own existence

1. Scientists are looking forward to the alternative energy sources

2. I suggest not turning the lights on when the room is light enough

3. It is necessary to use energy-saving bulbs instead of ordinary bulbs

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

5. If we go on wasting water, there will be a shortage of fresh water

6. Energy-saving bulbs should be used to save electricity

7. The solar energy that gets to the Earth can't provide enough power for the world's population

8. I think we should turn off all the lights and fans before leaving the classroom

9. How about taking a shower instead of a bath to save water ?

10. If we go on littering, the environment will become seriously polluted