广东省河源市中英文实验学校九年级英语上册 Unit 2 Saving the earth练习（无答案）（新版）外研版.doc

unit 2 saving the earth一. 单项选择 (20分，每小题1分)（ ）1. mrs. white isnt here. she _ london. a. has been to b. has gone to c. went to d. has gone（ ）2. one-child policy has _ controlling chinas population.a. did well in b. been good at c. worked good in d. worked well in（ ）3. in our class, about _ of the students are girls.a. three fifth b. third fifth c. third fifths d. three fifths（ ）4. the weather in summer here is cooler than _ in beijing.a. this b. that c. it d. the one（ ）5. last year, the population of that city _ 7,120,000.a. were b. have been c. has d. was（ ）6. jim has been to the great wall before, _ he?a. has b. does c. hasnt d. doesnt（ ）7. there are several chemical factories _ waste water into the river.a. pouring b. pour c. pours d. poured（ ）8. - what a nice motorbike! how long have you _ it? - about half a year.a. had b. receive c. bought d. taken（ ）9. - he is late for the meeting. - _.a. so i am b. so am i c. so i do d. so do i（ ）10. -how many people did you see in the meeting room? - _.a. nothing b. no one c. none d. a little（ ）11. he was _ in finishing the work.a. successful b. successfully c. success d. succeed（ ）12. - which do you prefer, a glass of water or a cup of tea? - _. thanks. im not thirsty.a. both b. either c. neither d. none（ ）13. _mum asked me to close the windows before going to bed, _ i forget to do so.a. though; / b. though; but c. till; / d. until; then（ ）14. he _ to school by bike, but now he _ to school on foot.a. used to going; gets used to go b. used to go; gets used to goingc. used to go; gets used to go d. get used to going; used to go（ ）15. - listen! _. - oh, lets go to the classroom.a.there goes the bell. b. there is a bell. c. there the bell go. d. goes there the bell.（ ）16. miss wang told us that the moon _ around the earth.a. moves b. moved c. is moving d. had moved （ ）17. the policeman prevented us _ out.a. from go b. go c. to go d. from going（ ）18. mr. simth didnt tell us _.a. where does he live b. where he lives c. where did he live d. where he lived（ ）19. i didnt know what happened _her last night.a. to b. on c. about d. with（ ）20. he was supposed _ here yesterday. a. come b. to come c. coming d. comesiii. 完型填空（20分，每小题2分）the world is divided into two main parts, the poor and the _41_ . the poor countries _42_ “the developing countries”, which have special _43_. sometimes the land is too poor to grow anything _44_. many people never get enough food _45_, and the children starve(饿死). help should be given by the rich countries, but rich countries have problems, _46_. the air isnt fresh and the rivers are _47_ dirty to swim in or _48_ water from. also the roads are too _49_ to drive along. and sometimes, large numbers of people _10_ not have pleasant houses to live in. so something will have to be done about the problems. 41. a. rich b. richer c. good d. poorer42. a. is called b. are called c. calls d. calling43. a. friends b. problems c. places d. conditions44. a. on b. in c. among d. at45. a. to play with b. to live in c. to eat d. to drink46. a. already b. also c. either d. too47. a. very b. too c. really d. so48. a. to taking b. take c. taking d. takes49. a. crowd b. crowds c. crowded d. crow50. a. does b. do c. did d. haveiv. 阅读理解（30分，每小题2分）(a)population(million)% of incomespent on foodpersonsper room% of houseswith water andelectricitytelephone per100 people% of childrenin high schoolstokyo28.7180.91004497mexico city19.4411.994662new york17.4160.5995695st. paul17.2500.81001667osaka16.8180.6984297seoul15.8342.01002290moscow13.2331.310039100bombay12.9574.285549calcutta12.8603.057249buenos aires12.4401.3861451los angeles11.5120.5943590london11.0240.61005058一个名为“人口危险委员会”的组织对世界上100个大城市进行了调查。请根据上面12个主要大城市的调查表回答问题。51. of the following cities, people live in spend least of their income on food. a. mexico cityb. los angelesc. calcuttad. bombay52. which city has the largest population?a. new york.b. moscow.c. tokyo.d. london. 53. the number of the students studying in high schools in tokyo out of 100 students is the same as that of . a. seoulb. st. paulc. calcuttad. osaka 54. in which city do all the houses have water and electricity?a. london.b. los angeles.c. new york.d. bombay. 55. it is the most difficult for people in to make a phone call. a. st paulb. mexico cityc. bombayd. calcutta(b)stop. listen! what do you hear? you may hear many different sounds. some of those sounds may be noise. noise is a loud or unwanted sound.noise can be caused by many kinds of machines, such as motorcycles, jet planes, farm tractors(拖拉机), rock music is also noise.what happens to people who live near noisy machines or use them over a period of time? doctors have found that these people have trouble in sleeping. but, most important, constant(不断的) loud noise can cause a loss of hearing.scientists use a unit of measure called decibel(分贝) to measure the loudness of a sound. the sound of a quiet room, for example, measures 35 decibels. talking measures between 40 and 65 decibels. sounds from traffic and from some rock bands can measure over 120 decibels. noise at this high level(层次) causes the great hearing loss.56. according to the passage, noise is . a. any kind of soundb. a loud or unwanted sound c. all sounds that you can heard. terrible sound57. a decibel is a . a. unit that measures soundb. kind of noise c. machine that makes loud noised. person who hates sound58. according to the passage, loud noise can . a. help people to sleep betterb. stop machines c. cause a loss of hearingd. kill people59. we can conclude（推断） from the passage that . a. noise is a serious problemb. rock music isnt noisy c. noise is only from trafficd. some people hate any soun