中考完形填空典型题分类练习—科普知识.doc

中 考 完 形 填 空 典 型 题 分 类 练 习2科普知识 What a fine day! The sun _1_ and everything _2_ bright . Can you felt _3_ when you stand in the sun ? The sun gives heat from far away. It is about one hundred and fifty million kilometers _4_. The sun looks small because it is far from us, but _5_ its very huge . The earth moves around the sun . It _6_ one year from the earth to go around the sun. And at the same time the earth _7_ is spinning(自转) around once every twenty-four hours. The sun gives us light . It keeps us _8_ . It makes thing _9_ . Plants ,animals and people need the sun. We cant live _10_ the sun.( )1.A.is shinning B.is shining C.shine D.shined ( )2.A.watches B.looks like C.looks D.sees( )3.A.hot B.hotly C.more hotter D.hotlier ( )4.A.far away B.far C.away D.from( )5.A.real B.true C.realy D.really( )6.A.takes B.is taken C.took D.has taken( )7.A.it B.itself C.its D.there ( )8.A.warmful B.warmly C.warming D.warm ( )9.A.grow B.to grow C.growing D.are grown( )10.A.under B.in C.without D.with 类似题集 （1） Bats are the only mammals(哺乳动物) is the world. They cant _1_ very well. It was long believed, and still is in many places, that all bats are blind. Blind as a bat is often heard. Yet they have no trouble _2_ on the darkest nights and finding their way _3_ very well. How can bats fly and see at night? They fly by radar(雷达)! The bats radar system works like the one on a ship or a plane. As a bat flies through the air, he makes a _4_ that is too high, for our ears to hear. If the sounds _5_ things, they come back. The bats ears receive the _6_ . In this way they are able to tell the bat _7_ the things are. Bats go out to look _8_ food at night. In the day-time they _9_ in some dark places. Some people have bats as bad animals. In _10_ , they are useful animals.( )1.A. look B. see C. hear D. find( )2.A.flying B. running C. jumping D. walking( )3.A.off B. up C. over D. around( )4.A.cry B. sound C. voice D. noise( )5.A.hit B. meet C. shake D. get( )6.A.knowledge B. advice C. words D. message ( )7.A.which B. whether C. where D. when( )8.A.up B. at C. for D. after( )9.A.hang B. come C. fly D. move( )10.A.result B. fact C. return D. home（2） The computer is fast, and never makes a mistake, while people are slow, and often _1_ mistakes. Thats what people often say when they _2_ computers. For over a quarter of a century, engineers have been making _3_ . Now a computer can do _4_ everyday jobs wonderfully. It is _5_ used in factories, hospitals, banks and schools. Many computer scientists are now thinking of _6_ the computer “think” like a man. _7_ the help of a person,a computer can draw pictures, write music, talk with people, play chess and so on. Perhaps computer will one day _8_ think and feel. Do you think people will be _9_ when they find that the computer is _10_ clever to listen to and serve the people.( )1.A.do B. make C. has D. makes( )2.A.speak to B. say C. tell D. talk about( )3.A.better and better B. many and many C. little and little D. fewer and fewer( )4.A.the mumber of B. a great deal C. a plenty of D. a lot of ( )5.A.not B. hardly C. widely D. seldom( )6.A.asking B. telling C. wanting D. making( )7.A.By B. With C. Through D. For( )8.A.really B. truly C. true D. real( )9.A.fear B. surprise C. afraid D. worry( )10.A.so B. very C. much D. too（3） In the universe, there is the earth, the moon, the sun, the stars and all other things too far away to see. The earth is one of the suns _1_ , and the moon is our satellite. The moon is about three hundred and eighty thousand kilometers away _2_ the earth, but its our _3_ neighbor in space. It _4_ more than three days to get there by spaceship. No man _5_ farther than the moon, but spaceship _6_ people have reached other planets. Of _7_ the stars the sun is the nearest to the earth. _8_ other stars are even bigger and brighter than the sun. They look small only _9_ they are much farther away. You _10_ see them in the daytime. But if you go out at night, youll be able to see many of them.( )1.A.stars B.planets C.satellites D.planet( )2.A.over B.below C.down D.from( )3.A.nearer B.the nearer C.nearest D.the nearest( )4.A.takes B.took C.taken D.taking( )5.A.travel B.travelled C.has travelled D.have travelled ( )6.A.with B.without C.for D.to ( )7.A.all B.some C.many D.any ( )8.A.Thousand of B.Hundred of C.Million of D.Millions of ( )9.A.when B.because C.if D.for ( )10.A.must B.mustnt C.can D.cant（4） Light travels very fast. It moves at 300,000 kilometers a _1_ . Light _2_ us from the moon is less than a second and a half. The moon is about 382,000 kilometers _3_. Light from the sun reaches us in 8.5 minutes. The sun is about 149,640,000 kilometers _4_ the earth. The other stars are farther away than the sun. Light from the nearest star reaches us in about four years. When you look at a star, you do not _5_ its present condition. You see it as it is used to be. Light from some stars _6_ hundreds of years to reach us. We never see a star as it is _7_ . We see it as it was long ago: perhaps hundreds of or thousands of years ago. Astronomers(天文学家) watch the star _8_ big telescopes. The _9_ biggest telescope is in Russia. The next biggest is in the United States. _10_ these great telescopes astronomers can see stars and other things very far away. Some of these things are not only stars. They are great groups of stars.( )1.A.minute B.hour C.second D.day( )2.A.reaches B.gets C.arrives D.comes( )3.A.high B.far C.long D.away ( )4. A.near B.from C.off D.of( )5.A.look at Base C.touch D.reach( )6.A.takes B.take C.spends D.spend( )7.A.before B.after C.now D.future( )8.A.through B.in C.into D.onto( )9.A.worlds B.world C.worlds D.world of( )10.A.Without B.With C.Use D.Used（5） Air is all around us. It is around us _1_ we walk and play. From the time we are born air is around us on every side. When we sit down, it is around us. When we go to bed, air is also around us. We live _2_ air. All _3_ things need air. We _4_ live without food or water for a few days, but we cant live for more than a few minutes _5_ air. We take in _6_. When we a