Revision Unit 7 - English 8

UNIT 7 : POLLUTION

I. Find the word which has a different sound in the part underlined.

1. A. algal B. aquatic C. contaminate D. permanent

2. A. thermal B. thankful C. there D. thorough

3. A. pollution B. earplug C. dump D. dust

4. A. untreated B. measure C. pleasure D. bread

5. A. physical B. visual C. music D. because

II. Find the word which has a different position of the main stress in each line.

1. A. affect B. pollute C. effect D. litter

2. A. cholera B. pollutant C. permanent D. groundwater

3. A. radiation B. political C. historical D. contaminant

4. A. seriously B. measurement C. scientific D. logical

5. A. aquatic B. historic C. physical D. botanical

III.Put the verbs in the correct forms.

1. If you come with me, I (do) ............................ the shopping with you.

2.Jimmy (help) ............................ his mother in the garden if she reads him a story this evening.

3. If it (rain) ............................, I will stay at home.

4. Our teacher will be happy if we (learn) ............................ the poem by heart.

5. If they had enough money, they (buy) ............................ a new car.

6. We (pass) ............................ the exam if we studied harder.

7. If he (repair) ............................ his bike, he could go on a bicycle tour with us.

8. She would get 100 pounds if she (sell) ............................ this old shelf.

9. If I were you, I (invite) ............................ Jack to the party.

10. If the weather (be) ............................ fine, the children can walk to school.

IV. Choose the correct option A, B, C or D to complete the sentences.

1. …………… water is one of the factors that have driven many species to the verge of extinction.

A. Contaminating B. Contaminate C. Contamination D. Contaminated

2. It’s recommended that we become more concerned ……………… the environment around us.

A. of B. to C. with D. about

3. The …………. Use of pesticides and herbicides has led to contamination of groundwater in some areas.

A. widespread B. occasional

C. general D. experimental

4. Air ……………, together with littering, is causing many problems in our cities today.

A. pollute B. pollution C. polluting D. polluted

5. Many people in this city have received medical …………. for the disease.

A. support B. treatment C. help D. assistance

6. The reduction in air pollution was ………… last year.

A. dramma B. treatment C. help D. assistance

7. In many poor nations, there are frequent outbreaks of cholera and other diseases because people there ………….. untreated water.

A. drink B. to drink C. drinking D. drank

8. The road in front of my office is always ……….. when it rains heavily.

A. to flood B. flooding C. flood D. flooded

9. Too much carbon dioxide in the atmosphere causes global …………….

A. warm B. warming C. warmly D. warmth

10. It won’t be possible to save the Earth if we don’t take ………… right now.

A. action B. job C. work D. duty

V. Make up sentences using the words and phrases given

1. most/ people/ not know/ where/ their/ plastic/ waste/ go/.

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2. what/ happen/ rubbish/ your/ area/?

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3. noise/ pollution/ occur/ because/ there/ too many/ loud/ sounds/ environment/.

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4. many/ animals/ eat/ litter/ become/ sick/ because/ people/ throw/ it/ ground/.

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5. people/ will/ more/ aware/ protecting/ environment/ if/ there/ more/ warnings/ about/ danger/ of/ pollution/.

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VI. Rewrite the following sentences so that their meaning stays the same, using the words given.

1. There was a loud noise next to my door last night so I couldn’t sleep. (because)

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2. The tsunami happened. Many people in this area became homeless. (made)

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3. The acid rain happened last month. Many plants and trees died. (Since)

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4. There have been conflicts in that country since last year. People live unhappily. (If)

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5. This factory doesn’t treat its waste well so there is a lot of water pollution. (If)

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