微藻作为生物柴油生产的优势与应用前景分析。

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问题:

微藻作为生物柴油生产的优势与应用前景分析。

考点:能源科学技术生物质能技术生物质能技术题库
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第二节 完形填空(共20小题;每小题1分,满分20分)

阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

Two traveling angels stopped to spend the night in the home of a wealthy family. The family was rude and  32  to let the angels stay in the guest home of their large house.  33 , the angels were given a space in the cold basement (地下室). As they made their bed on the hard floor, the older angel saw a  34  in the wall and repaired it. When the younger angel asked  35 , the older angel replied, “Things aren’t always what they seem.”

The next night the  36  came to rest at the house of a very  37 , but very hospitable (好客的) farmer and his wife. After  38  the little food they had, they let the angels sleep in their  39  where they could have a good night’s rest.

When the sun  40  the next morning the angels found the farmer and his wife in  41 , for their only cow, whose milk had been their only income, lay dead in the field. The younger angel was very  42  and asked the older angel, “How could you have let this happen? The first man had everything,  43  you helped him,” she accused (责备) “The  44  family had little but was willing to share everything, and you let their cow  45 .” “Things aren’t always what they seem”, the  46  angel replied.

“When we stayed in the basement of the large house, I  47  there was gold stored in that hole in the wall.  48  the owner only cared about money and was unwilling to share, I sealed (封住) the wall so  49  wouldn’t find it. Then last night as we slept in the farmer’s bed, the angel of death came  50  his wife. I told him to take the cow instead. Things aren’t always what they  51 .”

32. A. refused                      B. agreed                      C. decided                    D. accepted

33.A. Thus                          B. Therefore                 C. However                 D. Instead

34. A. spot                           B. space                       C. picture                            D. hole

35. A. why                          B. how                         C. when                       D. where

36. A. team                          B. pair                         C. family                      D. group

37. A. rich                           B. healthy                     C. poor                        D. wealthy

38. A. preparing                   B. showing                   C. giving                      D. sharing

39. A. basement                   B. bed                          C. yard                         D. cupboard

40. A. came down                B. came in                   C. came up                  D. came out

41. A. tears                          B. whispers                   C. fear                     D. excitement

42. A. calm                      B. happy                      C. sad                          D. angry

43. A. and                           B. yet                           C. so                          D. or

44. A. former                       B. first                         C. second                     D. latter

45. A. die                                   B. go                           C. survive                     D. disappear

46. A. older                         B. younger                   C. better                             D. worse

47. A. heard                         B. noticed                     C. recognized                D. watched

48. A. Although                   B. After                        C. Since                       D. Before

49. A. she                            B. you                          C. I                              D. he

50. A. for                                   B. about                       C. in                           D. with

51. A. look                          B. seem                        C. feel                          D. sound

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男性细胞内液约占体重的()

A.10%

B.20%

C.30%

D.40%

E.50%

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水泥搅拌桩支护结构适用于( )m深的基坑,最大可达( )m。

A.3.5
B.4~6,7~8
C.6,8
D.3~5,6~8

题型:问答题 简答题

用加工中心加工箱体孔系使用()简单、数量少、生产准备周期短。

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