初 中 英 语 牛 津 深 圳 版 七 年 级 下 册 Unit4 Save the trees 单 元 练习一、听力(听力)（共 20 小题；共 20 分）（略）二、单项选择（共 10 小题；共 10 分）21.Look! Jackandhismonkeyflyingdisktogetherinthegarden.A. is playing B. was playing C. are playing D. were playing22.Mymotheriscakes. Sheoftencakesforus.A. makes; making B. making; makes C. does; doing D. doing; does23.-sheherhomework?-No, sheisnt. Sheiswritingsomething.A. Does; do B. Is; doing C. Do; do D. Are; doing24.-Listen! Who inthemusicroom?-ItmustbeJane. Sheusuallyatthistimeeveryday.A. sings; singsB. is singing; is singingC. is singing; sings25.-Noiseistohumanshealth.-Yes, weshouldnttalkloudlyinpublic.A. harmful B. harm C. harmless26.ThereareinShanghai.A. 13 million people B. 13 millions peopleC. 13 million peoples D. 13 millions of people27.-Look! Shesskiingsofast!-Hardtoherlegswereoncebroken.A. know B. realize C. imagine D. find28.-Whyhaveyougotsomuchwaterhere?-Forthetrail-walkers. Aftertheyfinishthetoughhike, theyneedto lotsofwater.A. keep off B. give out C. take in D. put up29.Thefurniturewood.A. made of B. made from C. is made of D. is made from30.-Whatareyougoingtodothisafternoon?-Manykindsofinthestorenearmyhouseisonsale. Iwanttobuyanew bed.A. wood B. furniture C. food D. medicine三、补全短文（共 10 小题；共 10 分）It was fine yesterday. Lin Tao and I were 31. . So we decided to see a film. We went to the cinema by bike. On the way we saw Li Leis little brother, Xiao Ming, 32. a kite. It was windy and the kites was flying higher and higher. We stopped to have a look. To our 33. , suddenly his kite fell in a tall tree, and he was good at climbing trees. He 34. up the tall tree 35. a monkey, 36. the kite down, and 37. it to Xiao Ming. Xiao Ming was very excited and he 38. us again and again. Lin Tao and I went on our way to the cinema. When we got there, the film had been on for ten minutes. 39. we 40. the beginning, we still felt happy.四、完形填空（共 10 小题；共 15 分）Steve found a job on a farm. Hes the strongest and youngest. He ate most, sleeps most, but worked 41 . He hated to use his 42 and knew little. He had to do some unskilled(无技巧的) work. He always said hes tired and hoped to have a 43 rest. So he 44 less money than his workmates.Winter came. The workers were told to get ready 45 the next year. Only Steve did 46 . The farmer told him to cut down some trees in the forest. The young man went there with a chair. He felt lonely in the forest and was afraid of the 47 . During his work, he looked around and sang 48 , and nobody knew what he was singing.Three days passed. Steve didnt cut down any trees. The farmer felt strange. He decided 49 to find out how the young man was doing there. To his surprise, Steve was cutting a tree, sitting on a chair.Why are you 50 here to cut the tree? asked the farmer angrily.Because I cant work if lying down sir!41. A. little B. few C. least D. most42. A. foot B. head C. hand D. body43. A. bad B. good C. rich D. poor44. A. caused B. produced C. made D. invented45. A. for B. of C. to D. from46. A. something B. everything C. anything D. nothing47. A. water B. animals C. trees D. chairs48. A. quietly B. badly C. loudly D. carefully49. A. to go B. going C. go D. went50. A. lying B. sleeping C. standing D. sitting五、阅读理解（共 20 小题；共 40 分）AScientists are trying to make deserts(沙漠)into good land again. They want to bring water to the deserts, so people can grow crops and live there. They are learning a lot about the deserts. But more and more of the earth is becoming deserts all the time.Why is this true? Scientists think that people are making deserts. People are doing bad things to the earth.Some places on the earth dont have much rain, but they dont become deserts. This is because some green plants are growing there. Small green plants and grass are very important to dry places. Plants prevent(阻止) the sun from making the earth drier. Plants prevent the wind from blowing the earth away. When a little bit of rain falls, the plants hold the water. Without plants, the land become deserts easily.51. Deserts .A. get very little rainB. have no plants or animals on themC. can all be turned into good landD. are of no use52. Plants and grass are very important to dry places because .A. they can prevent the sun from making the earth drierB. they can hold the water in themC. they can prevent the wind from blowing the soil(土壤) awayD. A, B and C53. More and more of the earth is becoming deserts because .A. people cant grow plants thereB. there is no river thereC. it hardly rains thereD. people make deserts54. What does people are making dese