试题与答案

用两台起重机同时吊装一台设备时,应注意的关键问题是什么?

题型:问答题 简答题

题目:

用两台起重机同时吊装一台设备时,应注意的关键问题是什么?

答案:

参考答案:

关键是两吊车同步问题。如果两吊车起吊速度一致或两吊车所处位置不同,均会造成载荷分配不合理,导致其中一台吊车超载而引起事故,也可能使设备脱钩引起事故。

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题型:完形填空
The Vietnam (越南) War broke out. The young husband        the army and died in the war. His wife and son began to have a        life after that. Even though their life was very hard and sometimes they didn’t have enough food to eat, the        still decided to raise her son by herself.
Several years later her son immigrated (移民) to America        finally became an engineer. He often sent letters to his mother with much money. However, with many excuses,  the son        to come back home to visit his mother.
   his mother died, the son returned. But he didn’t cry. His mother left a box behind. During the funeral (葬礼), the son opened the box and        cried and shouted, “Mom! Mom!”        looked at each other and then looked at the box. It was full of $100 bills and a piece of paper.
It read, “Son, I don’t spend too much money. I miss you a lot. Every time I heard a motorcycle       , I ran out of the door but it wasn’t you. I saved money        you in case (以防) you get sick.”
小题1:
A.joined B.movedC.foundD.sent
小题2:
A.comfortableB.easy C.hardD.happy
小题3:
A.sonB.fatherC.husbandD.wife
小题4:
A.but B.andC.soD.or
小题5:
A.refusedB.agreed C.askedD.offered
小题6:
A.BeforeB.When C.WhileD.As
小题7:
A.slowlyB.hardly C.quicklyD.suddenly
小题8:
A.NobodyB.Anyone C.Everyone D.Somebody
小题9:
A.passing byB.going awayC.showing up D.running off
小题10:
A.withB.onC.toD.for
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