问题 多项选择题

PLC输出点类型的有主要有哪些()。

A.继电器

B.可控硅

C.晶体管

D.IC驱动电路

答案

参考答案:A, B, C

完形填空

.

第二节  完形填空 ( 共20小题;每小题1.5分,满分30分)

阅读下面短文,从短文后各题所给的四个选项(A  B  C  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。

The animals were all awakened by the same loud sound. It sound like a(n)_____.Deep in the woods they could see a figure holding a long narrow object . In the past in most _____it meant that danger was near._____there was something different about the figure this time .Suddenly the figure fell to the ground. A deer , named Sheena, moved______. Finally she could see that_____was the forest ranger (护林者). Soon she noticed that his right foot was ______in a beer trap(夹子)。Sheena then attempted to release his foot______the trap

.Later he opened his eyes.Their presence did not_____him. At this______he felt that he needed their help______anything else. Sheena and other animals began dragging the ranger toward the ranger’s cabin(小木屋). The ranger was______.It was almost as if the animals could ______-his mind.

As they______the cabin , the animals began to cry for_____.When the door of the cabin began to open, the animals ran back into the forest. The animals all____from a distance as the ranger was taken into the_____-for care. The ranger told his fellow that while he was ____in the forest, he stepped into a bear trap . He add that while rescuing _____,he shot himself in the shoulder accidentally and ______the animals saved his life .The fellow thought that he must have injured his head and was _______the animals rescue.

36.  A .whistle    B gunshou      C. explosion    D.crack

37.  A. places     B times        C.cases        D.conditions

38.  A.And       B. So          C.Because     D.But

39.  A. close      B.far          C.backwards   D. forwards

40.  A.it         B.he           C.she         D. one

41.  A.set        B.placed        C.stuck       D.wrapped

42   A of        B.beyond        C.from       D.onto

43.  A.frighten    B.disappoint     C.delight      D.excite

44.  A.place      B.point          C.present     D.situation

45.  A.less than   B.more than      C.better than   D.worse than

46.  A.frightened  B.worried        C.anxious     D.shocked

47.  A.hear       B,speak          C.write       D.read

48.  A approached  B,left            C.moved     D.entered

49.  A.food       B.clothes         C.help       D.medicine

50.  A.listened    B. wached        C. talked      D.shouted

51.  A.woods     B.cabin          C.hospital     D.bed

52.  A.wandering   B.waching     C.hunting     D.checking

53.  A.a deer       B. an animals   C.a child     D.himself

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

55.  A.imagining   B. expecting    C.remembering D.considering

问答题