2000年全国英语专业四级考试试题(6)

专四

The ( 34 ) similarly of liquids and gases becomes clear ly apparent when the

temperature and pressure are raised somewhat.( 35 ) a closed container partially filled with

a liquid is heated. The li quid expands or ( 36 ), becomes less dense; some of it evapor ates.

( 37 ), the vapor above the liquid surface becomes dense r as the evaporated molecules are

added to it. The combination of temperature an d pressure ( 38 ) the densities become equal

is ( 3 9 ) the critical point. Above the critical point the liquid and the gas can no longer

be ( 40 ); there is a single, undifferentiated fluid phase of uniform density.

26. A. in B. on C. under D. beyond 

27. A. fills B. be filled  C. filling D. to fill 

28. A. intends B. tends  C. inclines D. contends 

29. A. however B. nevertheless  C. so D. therefore 

30． A. in the event of B. in the case of C. with a view to D.

with reference to 

31. A. having described B. described C. describing D. to have

described 

32. A. made up of B. consisted of C. constituted of D.

made from 

33. A. apply B. adapt C. take D. conduct 

34. A. elementary B. crucial  C. rudimentary D. fundamental 

35. A. Suppose B. To suppose  C. Being supposed D.

Supposed 

36. A. in a word B. in the meantime C. in other words D. in that

case 

37. A. Similarly B. In contrast  C. Furthermore D. Instead 

38. A. on that B. on which  C. at that D. at which 

39. A. known B. defined  C. called D. referred to 

40. A. classified B. recognized  C. categorized D. distinguished

Part Ⅴ GRAMMAR AND VOCABULARY ［15 MIN.］

There are twenty-five sentences in this section. Beneath each sentence there are four words or

phrases marked A, B, C and D. Choose one word or phrase that best completes the sentence.

Mark your answers on your answer sheet.

41. Acute hearing helps most animals sense the approach of thunderstorm s long before

people___.

A. do B. hear C. do them D. hearing it 

42. This is an illness that can result in total blindness ___ left u ntreated.

A. after B. if C. since D.unless 

43. The central provinces have floods in some years, and ___.