UNIT 11: OUR GREENER WORLD – ENG 6
I. Choose the letter A, B, C or D the word that has the underlined part different from others.
1. A. fasten
B. daddy
C. backpack
D. water
2. A. reuse
B. refill
C. recycle
D. level
3. A. energy
B. president
C. electricity
D. decorate
4. A. invite
B. refillable
C. environment
D. bin
5. A. deforest
B. pollution
C. decorate
D. polite
6. A. polluted
B. uniform
C. reduce
D. reuse
7. A. survey
B. surfing
C. Thursday
D. student
8. A. charity
B. natural
C. classmate
D. exchange
9. A. wrap
B. swap
C. ask
D. that
10. A. recycle
B. happy
C. study
D. windy
II. Choose the best answer (A, B, C or D).
1. If we____________ waste paper, we will save a lot of trees.
A. Repeat
B. Recycle
C. Rewrite
D. Remark
2. What can we do__________ air pollution?
A. Reduce
B. To reduce
C. Reducing
D. To reducing
3. Why do you often forget to __________ the lights when you go out of the classroom?
A. Turn on
B. Turn off
C. Close
D. Shut down
4. If we plant more trees in the schoolyard, the school will become a______place.
A. Darker
B. Greener
C. Dirtier
D. More polluted
5. Do you think we should put a____________ bin in every classroom in order to keep it clean?
A. Reusable
B. Recycled
C. Recycling
D. Recyclable
6. My brother and I will give last year’s clothes to__________ instead of throwing them away.
A. Shop
B. People
C. Charity
D. Survey
7. Next week our class is having a discussion about finding__________ ways to reuse old items before
throwing them away.
A. Interested
B. Surprising
C. Useless
D. Creative
8. It is a good idea to____________ our clothes with our friends or cousins.
A. Change
B. Swap
C. Turn
D. Send
9. If people turn off all electric appliances in one hour all over the world, they can save lots of______.
A. Electric
B. Electrical
C. Electrician
D. electricity
10. If we use____________ paper, we will save a lot of trees.
A. Fewer
B. Less
C. More
D. Much
11. Don’t throw rubbish into the river because you will make it_____________.
A. Greener
B. Dirty
C. Cleaner
D. Fresher
12. If there is a rubbish bin in every class, the classroom will become_________.
A. Harmful
B. Lighter
C. Dirtier
D. Cleaner
13. If we all use____________ bags, we will help the environment.
A. New
B. Cheap
C. Reusable
D. Reduced
14. This newspaper is made of___________ paper.
A. Recycle
B. Recycled
C. Old
D. Waste
15. Please collect all the recyclable materials, and take them to the_____________.
A. Recycle
B. Recycled
C. Recyclable
D. Recycling
16. Reduce, reuse, recycle is said to encourage people to waste less, by using less and using things
again, in order to___________ the environment.
A. Harm
B. Damage
C. Pollute
D. Protect
17. You should put rubbish in the recycling ___________.
A. bin
B. sea
C. soil
D. air
18. Charities raise money for people who are ___________ need.
A. in
B. on
C. at
D. for
19. We will save the environment if we ___________ plastic.
A. reuses
B. reuse
C. reusing
D. reused
20. They are using leaves __________ food.
A. wrap
B. to wrap
C. wrapping
D. will wrap
21. If students recycle and use recycled materials, they will save _________.
A. energy
B. food
C. water
D. soil
22. If you turn _________ the lights when you don’t use it, you will save electricity.
A. on
B. off
C. up
D. down
III. Complete the sentences with the correct form of the verb.
1. We (do)_______________________this for you if you want.
2. If we (need)_____________ some help, we will ask.
3. If Peter stays with his grandparents, Susan (not be) ______________happy.
4. If we win the money, we (buy) _______________a new house.
5. She (not write) _____________ to you if she leaves.
6. We (go)______________ on holiday if there is time.
IV. Match the column A with column B to complete the sentences.
A
B
1. If the soil is polluted
a. We will save our money.
2. If people use more car
b. We will have more oxygen to breathe.
3. If we plant more trees
c. The plants will die.
4. If we borrow books from the library instead of buying d. They will make the air more polluted.
5. If we have a shower instead of a bath
e. We will save a lot of water.
V. Write the conditional sentences from the following statements.
1. We will plant more trees. The air will be fresher. => _________________________________________.
2. We will use fewer cars. We will reduce pollution.
=> ________________________________________.
3. We will cycle to school every day. We will keep fitter.
=>_____________________________________.
4. We will use recycled products. We will save money.
=> ______________________________________.
5. We will start at six. We will arrive there before noon.
=>______________________________________.
6. The boy eats so may green apples. He will be ill.
=> _________________________________________.
7. People will throw rubbish into the right bin. They will keep the environment clean.
=> __________________________________________________________________.
8. We will turn off the tap when brushing the teeth. We will save a lot of water.
=>__________________________________________________________________.
9. People will travel more by public transport. The harmful gases in big cities will be reduced.
=> __________________________________________________________________.
10. We will use reusable bags for shopping. We will reduce waste.
=>______________________________________________________________.
VI. Read the passage below and decide whether the statements are TRUE or FALSE?
Good morning, I’m Alex. And today I will talk about recycling. Recycling has a lot of advantages.
Firstly, it saves the environment. Instead of cutting more trees to produce paper, we can use recycled
papers. Secondly, recycling also saves energy. Thirdly, recycling helps reducing global warming and
reduce pollution. Finally, recycling helps saving money. Recycled articles cost less than new ones. In
conclusion, using recycled product is environmentally-friendly and money-saving. Therefore, we should
put plastic bottles in recycling bins and buy recycled products.
1. Recycling has a lot of benefits.
A. True
B. False
2. The first reason is recycling preserves the environment.
A. True
B. False
3. Recycling wastes energy.
A. True
B. False
4. Recycling pollutes the environment.
A. True
B. False
5. Recycling is both environmentally-friendly and money-saving.
A. True
B. False