问题 单项选择题

关于目前所知的暗物质和暗能量,以下性质的配对错误的是()。

A、暗物质-不发光

B、暗能量-不可探测

C、暗物质-存在引力

D、暗能量-成团分布

答案

参考答案:D

完形填空

What an exciting day it was for Jennifer and Valerie! They had been friends since Grade Three and had   41  many of their high school experience. Now they were driving together to their final high school event. Today was  42   day at Lamar High School. 43 they were close friends, they were different in many ways. Jennifer was a fairly 44 student while Valerie did just enough to get by and was mainly   45   in a good social life.

“Isn't it  46   that we're all finished?”said Valerie. “I'm really looking forward to having a good time this summer.”

“ 47   be nice,” Jennifer replied, “I'm afraid I'm going to have to work most of the summer to help pay for my college expenses.”

Jennifer's parents had only a small  48   and she had made up her mind to have an occupation in which she could afford all the things her  49   could not.

Valerie,  50  , came from a fairly well-to-do family. She had little desire to work hard for  51  she had always taken for granted.

“I really don't want to go to college for a while,” she   52  .

“My uncle runs a restaurant in the Bahamas and he has  53   me to spend a year there as a waitress. That should give me plenty of   54  for the beach.”

“It seems   55  I'll really be going different ways now”, thought Jennifer.

41. A. learned        B. obtained          C. remembered     D. shared

42. A. exam                  B. sports              C. graduation         D. working

43. A. If                     B. Because           C. Although           D. When

44. A. diligent             B. polite              C. active              D. favorite

45. A. specialized   B. relieved           C. envied               D. interested

46. A. certain              B. great               C. unfortunate        D. annoying

47. A. Can                  B. Shall             C. Must                      D. Need

48. A. income               B. problem            C. family                    D. differance

49. A. teachers       B. parents              C. friends                   D. relatives

50. A. in fact                B. in a way          C. as a result        D. on the other hand

51. A. what                 B. whom               C. that                        D. these

52. A. admitted           B. complained        C. invited                   D. screamed

53. A. helped              B. assured                     C. proposed                D. promised

54. A. peace         B. work                 C. energy             D. time

55. A. I                      B. we                    C. she                  D. they

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