江苏省仪征市第三中学2017-2018学年八年级英语下学期周练试题一单项选择（20）( )1.Bamboo can _paper. A. used to make B. be used make C. be used to make D. be used to making( )2. The old man is_ old _look after himself. A. too; to B. so; that C. very; that D. /; so that( )3. The number of the animals will become _ if we dont protect them. A. fewer and fewer B. less and less C. smaller and smaller D. larger and larger( )4. I think it is one of _ subjects. A. most important B. less important C. more important D. the least important( )5. People built the Great Green Wall in order to prevent the wind from_ the good land in the south. A. destroy B. destroyed C. destroying D. destroys( )6. We should carry_ our work. A. on B. with C. on with D. in( )7.When you dont know a word, you can_ in the dictionary. A. look it up B. set it up C. give it up D. pick it up( )8. Try to buy one before all the tickets_ . A will be sold B will be sold out C are sold D are sold out( )9. He is used to _ his bike to school. A. ride B. riding C. rides D. rode( )10. Millies cousin is _ young _he cant go to school. A. too; to B. very; to C. so; that D. such; that( )11.He _ by a policeman _ crossing the road while the lights were red.A. was stopped, because B. was stopped, because of C. stopped, because of D. stopped, because( 12. -Must I read the magazines here in the reading room? - No, you . You take them home. A neednt; can B cant; must C mustnt; may D dont have to; must( ) 13.The bike _ 500 yuan.A. was cost B. costed C. cost D. is costed( )14. The purpose of “Walk for Children” is _ the charity called UNICEF.A. to donate money for B. to raise money to C. to raise money for D. donating money for( )15. These days lots of people are working _ to get _ for their living.A. hardly enough, enough money B. enough hardly, money enoughC. enough hard, money enough D. hard enough, enough money( ) 16. You need more if you want to be fit. A. exercise B. to exercise C. exercising D. exercises( ) 17. .Doctors in every part of the world. A. need B. needed C. is needed D. are needed ( ) 18. My father in a shoe factory，but now he is a cook. A. used to working B. used to works C. used to work D. is used to work( ) 19. You look quite tired. Why not_ a good rest? A. to stop to have B. stop having C. stop to have D. to stop having( ) 20. Its dangerous friends online. A. for us making B. of us to make C. for us to make D. of us making二. 完形填空（10）We humans have lived on the Earth for 35,000 years. During this period, we have changed the Earth a lot in many ways. Some things we have done are very good for the Earth 21 others are bad.All over the world, people have 22 millions of trees. When it rains or when the wind blows, the soil is taken away. In big cities, cars and buses have 23 the air. Now many people in cities have health problems. Factories have 24 polluted the land and the water.Around the Earth, there is a special kind of oxygen (氧气) called ozone (臭氧). It is 25 to the Earth. But now air pollution is destroying it and that has made a very big hole in the ozone layer (臭氧层). Too much harmful light from the sun passes 26 the hole and reaches the Earth. This is very 27 because it can cause disease.Carbon dioxide (二氧化碳) in the air has increased (增加) a lot. It mainly comes from burning oil, coal and wood. This makes the Earth 28 warmer and warmer. As a result, the climate (气候) of the Earth has 29 a lot.All these problems are very 30 . We must do something to stop the Earth from being polluted now. Lets try our best to protect the Earth.( )21. A. though B. becauseC. while D. if( )22. A. cut down B. cut into C. cut off D. cut out( )23. A. treated B. polluted C. operated D. behaved( )24. A. also B. ever C. still D. yet( )25. A. careless B. useless C. incorrectD. important( )26. A. across B. through C. above D. under( )27. A. proper B. meaningfulC. dangerous D. difficult( )28. A. become B. look C. smell D. sound( )29. A. held B. changed C. returned D. displayed( )30. A. goo