2000英语专四真题.docx
《2000英语专四真题.docx》由会员分享,可在线阅读,更多相关《2000英语专四真题.docx(8页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、2000英语专四CLOZEThe difference between a liquid and a gas is obvious ( 26 ) the conditions of temperature and pressure commonly found at the surface of the Earth. A liquid can be kept in an open container and ( 27 ) it to the level of a free surface. A gas forms no free surface but ( 28 ) to diffuse th
2、roughout the space available; it must ( 29 ) be kept in a closed container, as ( 30 )a planets atmosphere. The distinction was a prominent feature of early theories ( 31 )the phases of matter. In the nineteenth century, for example, one theory maintained that a liquid could be “dissolved” in a vapor
3、 without losing its identity, and another theory held that the two phases are ( 32 ) different kinds of molecules (分子). The theories now prevailing ( 33 ) a quite different approach by emphasizing what liquids and gases have in common. They are both forms of matter that have no permanent structure,
4、and they both flow easily. They are fluids.The ( 34 ) similarly of liquids and gases becomes clearly apparent when the temperature and pressure are raised somewhat.( 35 ) a closed container partially filled with a liquid is heated. The liquid expands or ( 36 ), becomes less dense; some of it evapora
5、tes.( 37 ), the vapor above the liquid surface becomes denser as the evaporated molecules are added to it. The combination of temperature and pressure ( 38 ) the densities become equal is ( 39 ) the critical point. Above the critical point the liquid and the gas can no longer be ( 40 ); there is a s
6、ingle, undifferentiated fluid phase of uniform density.26. A. in B. on C. under D. beyond27. A. fills B. be filled C. filling D. to fill28. A. intends B. tends C. inclines D. contends29. A. however B. nevertheless C. so D. therefore30 A. in the event of B. in the case of C. with a view to D. with re
7、ference to31. A. having described B. described C. describing D. to have described32. A. made up of B. consisted of C. constituted of D. made from33. A. apply B. adapt C. take D. conduct34. A. elementary B. crucial C. rudimentary D. fundamental35. A. Suppose B. To suppose C. Being supposed D. Suppose
8、d36. A. in a word B. in the meantime C. in other words D. in that case37. A. Similarly B. In contrast C. Furthermore D. Instead38. A. on that B. on which C. at that D. at which39. A. known B. defined C. called D. referred to40. A. classified B. recognized C. categorized D. distinguishedPart GRAMMAR
9、AND VOCABULARY 41.Acute hearing helps most animals sense the approach of thunderstorms long before people_. A. do B. hear C. do them D. hearing it42. This is an illness that can result in total blindness _ left untreated.A. After B. If C. Since D.unless43. The central provinces have floods in some y
10、ears, and _.A. droughts in others B. droughts are othersC. while other droughts D. others in drought44. Do help yourself to some fruit,_ you?A. cant B. dont C. wouldnt D. wont45. There_ nothing more for discussion, the meeting came to an end half an hour earlier.A. to be B. to have been C. being D.
11、be46. My mother cant get _ because she has rheumatism (风湿病).A. about B.on C. through D. in47. I was very much put _ by Marks rude behavior; it really annoyed me.A.over B.off C.up D.by48. You _ Jim anything about it. It was none of his business.A. neednt have told B. neednt tellC. mustnt have told D.
12、 mustnt tell49. All of us would have enjoyed the party much more if there_ quite such a crowd of people there.A. werent B. hasnt been C. hadnt been D. wouldnt be50. Firms that use computers have found that the number of staff _ is need for quality control can be substantially reduced A. whose B.as C
13、. what D. that51. _ at in this way, the present economic situation doesnt seem so gloomy.A. Looking B. Looked C. Having looked D. To look52. Many people are _ to insect bites, and some even have to go to hospital.A. Insensitive B. Allergic C. Sensible D. infected53. When youre driving on a motorway,
14、 you must obey the signs telling you to get into the right _. A.way B.track C.road D.lane54. The motorist had to _to avoid knocking the old woman down in the middle of the road.A. Swerve B. Twist C. Depart D. swing55.In winter drivers have trouble stopping their cars from _ on icy roads.A. Skating B
15、. Skidding C. Sliding D. slipping56. This project would _ a huge increase in defense spending.A. Result B. Assure C. Entail D. accomplish57. The chances of a repetition of these unfortunate events are _ indeed.A. Distant B. Slim C. Unlikely D. narrow58. We should make a clear _ between “competent” a
16、nd “proficient” for the purposes of our discussion.A. Separation B. Division C. Distinction D. difference59. In the present economic _ we can make even greater progress than previously.A. Air B. Mood C. Area D. climate60. Rite of Passage is a good novel by any standards;_, it should rank high on any
17、 list of science fiction.A. Consistently B. Consequently C. Invariably D. fortunately61.The diversity of tropical plants in the region represents a seemingly_ source of raw materials, of which only a few have been utilized.A. Exploited B. Controversial C. Inexhaustible D. Remarkable62. While he was
18、in Beijing, he spent all his time _ some import ant museums and buildings.A. Visiting B. Traveling C. Watching D. touring63. You must let me have the annual report without _ by ten oclock tomorrow morning.A. Failure B. Hesitation C. Trouble D. Fail64. As the director cant come to the reception, Im r
19、epresenting the companyA. on his account B. on his behalf C. for his part D. in his interest65.Dreams are_ in themselves, but when combined with other data, they can tell us much about the dreamer.A. Uninformative B. Startling C. Harmless D. UncontrollablePart READING COMPREHENSION 30 MIN.TEXT AClea
20、rly if we are to participate in the society in which we live we must communicate with other people. A great deal of communicating is performed on a person-to-person basis by the simple means of speech. If we travel in buses, buy things in shops, or eat in restaurants, we are likely to have conversat
21、ions where we give information or opinions, receive news or comment, and very likely have our views challenged by other members of society.Face-to-face contact is by no means the only form of communication and during the last two hundred years the art of mass communication has become one of the domi
22、nating factors of contemporary society. Two things, above others, have caused the enormous growth of the communication industry. Firstly,inventiveness has led to advances in printing, telecommunications, photography, radio and television.Secondly, speed has revolutionised the transmission and recept
23、ion of communications so that local news often takes a back seat to national news, which itself is often almost eclipsed by international news.No longer is the possession of information confined to a privileged minority. In the last century the wealthy man with his own library was indeed fortunate,
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 2000 英语 专四真题
限制150内