水泵机组联轴器的作用是什么?

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问题:

水泵机组联轴器的作用是什么?

考点:泵站操作工考试泵站操作工考试题库
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III.完形填空(共20小题;每小题1分,满分20分)

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

Last night, I was waiting for a taxi. After 5 minutes, I was  41 . The driver seemed to be angry. I asked him what the  42  was. He said he had just come from the airport without a  43 , which was basically $70 in lost fare.

Over the course of that ride, the anger slowly  44 . He mentioned he had read an article saying the  45  people are the ones that give, so he hoped he’d have more  46  to give in his life. I was starting to  47  being with him! We continued talking about why  48  is so beneficial both to the giver and the receiver and different ways to  49  it.

As we arrived at my destination, I  50  my fare. But I pulled out an extra $20 and said, “Since we’ve been talking about giving this whole time, I wanted to share that  51  with you. I’ve already paid my fare, but here’s an extra little bit. You can  52  it, since you’re already down $70 from the airport. But if you want to experience the  53  of the gift, then tell the next passenger in this taxi that their ride is a gift from another and they can  54  their gratitude in whatever way.”

The man turned toward me, tears in his eyes, and said, “Sir, I have a better  55 . You give that $20 to a  56  person around here and I’ll treat the next passenger with a  57  ride myself.”

Wow. This man was  58  10 minutes ago. I got out and walked around trying to find someone who needed help  59  heading to my destination.

It was an honor meeting that driver and  60  the lesson of how everyone is capable of giving.

41.A.gotten off          B.put down           C.called up         D.picked up

42.A.question          B.time               C.problem          D.cost

43.A.friend             B.stranger            C.driver                 D.customer

44.A.died out           B.appeared           C.died down         D.died off

45.A.happiest           B.poorest            C.richest            D.strongest

46.A.kindness           B.chances            C.suggestions         D.money

47.A.mind             B.stop               C.allow             D.enjoy

48.A.collecting          B.giving             C.receiving        D.existing

49.A.practise           B.explain             C.watch             D.consider

50.A.printed            B.recorded            C.paid            D.examined

51.A.adventure          B.information         C.language           D.feeling

52.A.refuse             B.raise               C.keep              D.spend

53.A.direction          B.power              C.weight            D.size

54.A.share             B.earn               C.forget             D.miss

55.A.gift               B.idea               C.opinion            D.ride

56.A.homeless           B.native             C.nice               D.brave

57.A.long              B.comfortable        C.free               D.safe

58.A.bored             B.tired              C.rude               D.angry

59.A.after              B.before             C.when              D.as

60.A.learning           B.preparing          C.finishing           D.providing

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在传染病的预防中,对患者的管理措施有哪些?

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某企业只生产销售一种产品,每年赊销额为240万元,该企业产品变动成本率为80%,资金成本率为25%。企业现有甲、乙两种收账政策可供选用。有关资料如下表所示:

要求:

 

 

计算填列表中的空白部分(一年按360天计算),在表中列出计算过程

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解热镇痛抗炎药的解热作用机制为

A.抑制外周PG合成

B.抑制中枢PG合成

C.抑制中枢IL-1合成

D.抑制外周IL-1合成

E.以上都不是

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下列二次雷达编码哪个正确().

A.1309

B.2537

C.8824

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