
UNIT 11: OUR GREENER WORLD I. Find the word which has a different sound in the part underlined 1. A. stand B. apple C. hand D. father 2. A. dark B. cancel C. action D. travel 3. A. fantastic B. part C. fact D. camera 4. A. automatic B. had C. activity D. yard 5. A. calm B. bag C. cat D. bad II. Put the words into two groups (/ a: / and / æ /) car start map hand castle rapid fat aren’t park man natural calm bag dark cat apple father stand/ a: / / æ / III. Find which word does not belong to each group. 1. A. bag B. metal C. glass D. plastic 2. A. garbage B. litter C. rubbish D. floods 3. A. reusable B. recycled C. repair D. refillable 4. A. bin B. paper C. bag D. bottle 5. A. reuse B. reduce C. repeat D. recycle IV. 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. You can save money while shopping by only buying __________ you need. A. What B. This C. It D. That 3. What can we do __________ air pollution? A. Reduce B. To reduce C. Reducing D. To reducing 4. 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 5. If we plant more trees in the schoolyard, the school will become a __________ place. A. Darker B. Greener C. Dirtier D. More polluted 6. 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 7. My brother and I will give last year’s clothes to __________ instead of throwing them away. A. Shop B. People C. Charity D. Survey 8. 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 9. It is a good idea to __________ our clothes with our friends or cousins. A. Change B. Swap C. Turn D. Send
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10. 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 11. You should put the food in a reusable box __________ plastic bags. A. By B. Instead of C. Because of D. Without 12. If we use __________ paper, we will save a lot of trees. A. Fewer B. Less C. More D. Much 13. Don’t throw rubbish into the river because you will make it __________. A. Greener B. Dirty C. Cleaner D. Fresher 14. If there is a rubbish bin in every class, the classroom will become __________. A. Harmful B. Lighter C. Dirtier D. Cleaner 15. If we all use__________ bags, we will help the environment. A. New B. Cheap C. Reusable D. Reduced 16. This newspaper is made of __________ paper. A. Recycle B. Recycled C. Old D. Waste 17. Please collect all the recyclable materials, and take them to the __________ factory. A. Recycle B. Recycled C. Recyclable D. Recycling 18. 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 19. These three Rs __________ reduce, reuse and recycle. A. Stand up B. Stand for C. Ask for D. Means 20. If you have old clothes, will you give them to those __________? A. Needs B. To need C. For needing D. In need. V.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. VI. Match the phrases to form a sentence in the first conditional, and write the answer in each blank. 1. If we leave now a. it’ll bite you. 2. If I give you some money b. I’m sure she’ll say “yes”. 3. If you wear that shirt c. we’ll go to the beach. 4. If …
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