问题 选择题

我国最近发射的“神舟”五号载人飞船返回舱的表面有一层叫做“烧蚀层”的物质,它可以在返回大气层时保护返回舱不因温度太高而烧毁。“烧蚀层”能起这种作用,除了它的隔热性能外,还由于 [ ]

A.它能将热辐射到宇宙空间

B.它的表面非常光滑,能减小舱体与空气的摩擦

C.它的硬度大,高温下不会烧坏

D.它在熔化、汽化时能吸收大量的热

答案

答案:D

完形填空

三.完型填空(共20个小题,每题1.5分)

Almost every office has an office trouble-maker. My friend Jenny said there was a woman in her team whom everyone  36 . For months my friend had been thinking about what she could do to get 37 to this person. 38  she tried hard, she could come up with no good idea.

One Saturday morning, she woke up and had a 39  desire to bake a cake for

the trouble-maker. She had no idea  40. this thought had come to her or what cake

she could bake. The only thing that she had ever heard this woman say about what she

liked was  41  So that morning my friend  42  her day by baking a chocolate cake. After  43  the woman's address in the phone book, she took the cake to her  44 .

You can imagine the trouble-maker's __45  when she opened the door. "What

are you  46  here?" the woman asked.

"Well," my friend said, "it is kind of hard to  47  . I know you like chocolate

and I woke up this morning  48  to bake you a cake, so I did." She held the cake out

  49

The woman smiled very slightly and  50 her to go in. They spent the next

hour together at the kitchen table. They did not talk about the woman's  51 or her

behavior toward team members. They simply  52  small talk and ate the cake.

On Monday morning the woman arrived at work as usual, but she was  53  to my friend.  54 by my friend, the woman  55 started becoming friendly to others.

The change took months, but it did happen.

36. A. feared         B. disliked        C, knew          D. disagreed

37. A. ready          B. tired           C. close          D. right

38. A. So            B. As            C. Since          D. Although

39.A. clear          B. funny          C. sudden        D. bad

40. A. why           B. when          C. what           D. where

41. A. milk          B. vegetable      C. fruit         D. chocolate

42. A. started        B. spent          C. planned        D. reached

43. A. pointing out    B. looking up     C. looking in      D. settling down

44. A. office          B. house         C. team           D. school

45. A. anger          B. worry          C. surprise        D. relief

46. A. doing          B. asking         C. finding         D. Trying

47. A. begin          B. pretend        C. admit          D. explain

48. A. choosing      B. wanting        C. advising       D. learning

49. A. proudly        B. silently        C. carefully       D. gratefully

50. A. invited         B. refused        C. expected       D. ordered

51. A. opinion        B.hobby         C. feeling         D. attitude

52. A. gave           B. enjoyed        C. joined         D. organized

53. A. rude           B. selfless         C. hopeful        D. nice

54. A. Educated      B. Protected       C. Forced         D. Encouraged

55. A. slowly        B. easily        C. swiftly        D. Quietly

多项选择题