
Grade 10 UNIT 10: CONSERVATION THE SECOND SEMESTER
Page 1 THE SECOND SEMESTER
lChoose the one or phrase that best completes each sentence. 1. The new laws to conserve wildlife in the area will come into force next month.
A. protect B. pollute C. destroy D. eliminate 2. Water pollution is more and more serious due to the tests of nuclear weapon in the seas and oceans.
A. circulation B. environment C. elimination D. contamination 3. Man and animals need a constant supply of water to live.
A. regular B. rare C. short D. inadequate 4. Without plants, most water would run off as soon as it falls, taking away valuable soil.
A. supplying B. recovering C. removing D. holding 5. The farmers removed some undeveloped trees to improve the growth of the rest.
A. eliminated B. planted C. fertilized D. transferred 6. Harmful insects must be _______to protect our crops.
A. conserved B. protected C. destroyed D. cultivated 7. The new laws will be _______to restrict wildlife destruction.
A. pasted B. passed C. supplied D. taken away 8. Up to now, AIDS have not been _______, and more and more people died of the disease.
A. treated B. concerned C. killed D. stopped 9. We cannot clean up our polluted rivers and seas _______. A. during the night B. at night C. very quickly D. very slowly 10. She is a famous _______ she is very interested in protecting wild animals from extinction.
A. conserve B. conservationist C. conservation D. conservational 11. Up to now, we have hardly estimated the _______that our country suffered during the war.
A. destroy B. destroyable C. destructive D. destruction 12. The government have become more and more worried about the _______of the coastline by the sea.
A. erode B. erosion C. erosive D. erodent 13. We should do something immediately to save the Earth_______ being destroyed.
A. from B. for C. in D. at 14. Man is doing harm _______the environment.
A. on B. in C. for D. to 15. Fire is the greatest danger _______forests.
A. on B. of C. to D. in 16. _________ the report__________ yet?
A. Was/written B. Has/written C. Did /write D. Has/been written 17. The roads in our town _________.
A. wide B. are being wide C. are being widened D. are being widen 18. Just a minute. The food is ready and the table _________.
A. set B. sets C. is setting D. is being set 19. _________ this tractor_________ last year?
A. Did /buy B. Was / bought C. Has / bought D. Has /been bought 20. In some areas, water _________from the ground faster than nature can replenish the supply.
A. is being taken B. has been taking C. is taking D. has taken Complete these sentences with the appropriate form of the words in parentheses. 21. The world’s rain forests must be safe from ______________. (destroy) 22. Major steps are being taken to control the ______________of beaches. (pollute) 23. Water ______________is necessary for hydropower stations. (conserve) 24. People are ______________doing harm to the environment. (constant) 25. The government has made no attempt to reduce soil ______________. (erode) 26. He stressed the need to pass a law in nature’s ______________ . (defend) 27. Many species of plans and animals have been virtually ______________. (eliminate) 28. Trees, grasses, and other plant life play an important part in the natural ______________of water.
(circulate)
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