压缩空气管道系统中，压缩空气的生产流程主要包括（）等。 A．空气的过滤 B．空气的压

III.完形填空（共20小题,每题1.5分,满分30分）

阅读下面短文,掌握其大意,然后从36-55各题所给的四个选项(A、B、C和D)中,选出最佳选项。

When children are very young, they learn from their grandparents and parents what is proper and good behavior.

A two-year-old child always  36  of himself or herself first. Sometimes, he or she tells people “This is  37 .” Of course, the  38  of sharing has to be  39  so that the child learns to  40  along with another child.

It is  41  for a family member to train the child so that he or she can  42  how to serve others and become a useful person in  43 . Discipline(纪律) should always be given with  44 .

Once a young child is taught to  45 , the child begins to realize that  46  is not a punishment but a valuable  47  in life. The idea of discipline becomes more important  48  the child is a student in elementary school..

If a person is  49 , he or she will not have  50  in life. If a person is trained, it doesn’t  51  what job he or she accepts, and there will be a  52  result. Parents and grandparents are very  53  that young children learn discipline early in their life, for happiness and pride will be the  54  of their achievements.

Usually, it is in middle school that children decide whether they will accept discipline as the road to success. For those who do, the  55  is very bright leading to a happy life.

36.A. cares          B. says 　　   C. speaks          D. thinks

37.A. mine          B. ours        C. theirs           D. yours

38.A. fact         B. idea         C. reason       D. mind

39.A. exchanged   B. introduced    C. brought          D. known

40.A. come          B. go          C. do             D. get

41.A. necessary   B. easy          C. hard         D. clear

42.A. learn     B. study     C. guess         D. remember

43.A. country    B. family    C. society       D. public

44.A. dislike    B. excitement   C. love        D. anger

45.A. live        B. share          C. play       D. work

46.A. homework  B. order       C. exam     D. discipline

47.A. lesson      B. text         C. class       D. work

48.A. though    B. because    C. since         D. when

49.A. taught     B. unknown        C. popular        D. untrained

50.A. help       B. business         C. success     D. purpose

51.A. matter    B. like     C. seem         D. appear

52.A. bad        B. good    C. final         D. natural

53.A. careful    B. worried    C. surprised      D. hopeful

54.A. example         B. reason    C. result         D. point

55.A. future      B. sun        C. day        D. sky

空腹指的是（）

A.3～4小时无任何热量摄入

B.5～6小时无任何热量摄入

C.2～3小时无任何热量摄入

D.8～10小时无任何热量摄入

E.10～12小时无任何热量摄入

现代家庭中许多家用电器的功率计算单位是 “瓦特”，这是为了纪念为人类做出杰出贡献的英国机械师瓦特。他的成就是

A．发明“珍妮机”

B．改进蒸汽机

C．发明火车机车

D．设计内燃机

美国法学家（）说过，“法律只有被信仰，才能有效地推行法治。”

A.伯尔曼

B.亚里士多德

C.苏格拉底

D.比奥

采用分裂绕组变压器有何优缺点？