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【单选题】
对重下撞板处应加装补偿墩2~3个,当电梯的曳引绳伸长时,以调整( )符合规范要求。
A.
越程距离
B.
缓冲距离
C.
冲顶距离
D.
蹲底距离
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参考答案:
举一反三
【判断题】两种平面问题中,平衡微分方程是一样的。
A.
正确
B.
错误
【单选题】在存在冗余的二层网络中,可以使用下列哪种协议避免出现环路?
A.
ARP
B.
STP
C.
UDP
D.
VRRP
【单选题】According to the article, what is the definition of tribalism?
A.
Giving a job to a fellow tribesman.
B.
A force that can be both good and bad.
C.
Sharing among members of the extended family.
D.
Making sure that a person is taken care of by his own group.
【单选题】光学分度头是用于精密测量和分度的一种光学测量仪,可用来检测外花键、拉刀、铣刀、齿轮等要求具有()的工件。
A.
精密形状精度
B.
精确位置精度
C.
精密等分
D.
精确角度
【单选题】Directions: There is one passage in this section. The passage is followed by some question s . T here are four choices marked A), B), C) and D). You should decide on the best choice . Questions 6 to 1...
A.
Inflation increases families’ expenses.
B.
Raising children is getting expensive.
C.
Budget reduction in around the corner.
D.
Average family expenditure is increasing.
【简答题】完形填空。 What  should  we  do to  keep  healthy?  One  important rule is to exercise_ 1 _. The Fang family try to exercise every day. Mr Fang _ 2 _exercise in the morning because he must get to work at e...
【简答题】完形填空。 The position of children in American family and society is no longer what it used to be. The 1 family in colonial (殖民时期的) North American was mainly concerned with survival and 2 that, its own ec...
【简答题】读短文,判断句子正(T)误(F)。 I'm John. This is my family. There are four people in my family. What are they doing? I'm doing my homework. My mother is washing clothes. My father is talking on the telephone. Wher...
【单选题】在存在冗余的二层网络中,可以使用下列哪种协议避免出现开路?
A.
ARP
B.
STP
C.
UDP
D.
VRRP
【单选题】What can we infer from the dialogue?
A.
Shelly is a housewife.
B.
] Shelly and her family usually visit her parents in summer.
C.
Shelly doesn' t often visit her parents.
D.
Shelly' s mother was out shopping when Shelly called.
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