水银的沸点是()。 A.摄氏36度 B.摄氏357度 C.摄氏457度

题型:单项选择题

问题:

水银的沸点是()。

A.摄氏36度

B.摄氏357度

C.摄氏457度

考点:趣味知识竞赛趣味知识趣味知识题库
题型:单项选择题

往Cu(NO3)2和AgNO3的混合溶液中加入一定量的铁粉,充分反应后,过滤。滤纸上金属的种类和滤液中溶质的种类不可能的组合是

A.1种, 2种

B.2种,1种

C.3种,1种

D.3种,2种

题型:单项选择题

如图,m和M保持相对静止,一起沿倾角为θ的光滑斜面下滑,则M和m间的摩擦力大小是多少?

题型:单项选择题

第二节:完形填空 (共15小题;每小题1分,满分15分)

阅读下面短文,掌握其大意,然后从31-45各题所给的四个选项(A、B、C和D)中,选

出最佳选项。

Many TV programs seem to be quite realistic (真实的). One   41   watches TV often feels that whatever happened in the film may as well happen   42   him. With only a little thinking, every man in the street may   43   to be a thief, or a spy (间谍), or a murderer. Jane had been watching a spy film at a friend’s home. In it a young girl had been   44   and killed. She felt a little frightened. She took a   45   back to the center of the city. There were a lot of people traveling with her, so she felt much   46  .

A man sat face to face with her,   47   a newspaper. She thought nothing of it  48 _ she saw him looking at her for a long time. Remembering the film and feeling   49  , she got off the train and went to the bus stop. When she got on the bus, she found he was following her. When she got off the bus, she was getting more and more nervous as there was   50   else in the street. She walked as quickly as she could. She could hear footsteps behind her, but she didn’t dare to look   51   her shoulder (肩膀). It seemed to have been hours   52   she reached the front door. She felt for her keys, but couldn’t find them. The   53   stopped behind her. She felt a hand on her shoulder. Instead of feeling hands round her neck, she heard a pleasant  54 : “ I am sorry   55   I frightened you. I thought I recognized you in the train, but I was not sure.”

41. A. he           B. which                 C. who                D. she

42. A. to           B. on                   C. upon                D. in

43. A. look          B. appear                C. turn                D. come

44. A. watched      B. followed              C. searched             D. hurt

45. A. bus               B. car                 C. train                D. plane

46. A. safe           B. more worried          C. dangerous            D. safer

47. A. reading       B. looking               C. seeing                D. watching

48. A. when         B. after                       C. as                  D. until

49. A. frightened     B.puzzled               C. excited               D. surprised

50. A. someone       B. no one                C. anyone               D. none

51. A. on           B. for                  C. at                    D. over

52. A. before       B. when                  C. as                   D. until

53. A. thief          B. footsteps              C. spy                 D. murderer

54. A. sound        B. noise                 C. voice               D. word

55. A. whether            B. as if                   C. even if               D. if

题型:单项选择题

中药陈皮是柑橘类的()干燥后陈久者。

A.根皮

B.茎皮

C.果皮

D.内果皮

题型:单项选择题

通过破裂孔的结构为()。

A.脑膜中动脉

B.颈内动脉和交感丛

C.咽升动脉脑膜支

D.嗅神经

E.眼动脉脑膜返支

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