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【单选题】
压缩空气起动式柴油机在正车起动操作后曲轴不动，此时往往可以用“换向并倒车起动数转→迅速再换回正车→再行起动”的方法试行解决正车不能起动的问题：若成功，则说明车起动失败是（）的故障。A.
起动能源不足
B.
起动时间太短
C.
某缸的气缸起动阀卡死不开
D.
主起动阀卡死
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【简答题】根据所给文章,回答文件中11个问题,答案写在答题栏里。 I. Answer the following questions Q1: Why does Bill Gates mention the nuclear war at the beginning of the speech? Q2: What does Bill Gates think is the greatest risk of glo...
【单选题】Q: What problem are the man and woman talking about?
A.
They need to hire another cleaner.
B.
The man needs to find another job.
C.
They don't have enough money for a vacation.
D.
The man doesn't know how to ask his boss for a raise.
【简答题】S1:Hi,just look at your lifting gear at hatch No.3.Its turning time at work is so slow.S2:We are trying to deal with this problem now.Q:What is the problem?A. The lifting gear at No.3 hatch doesn't wo...
【简答题】S1:Chief,look at the fire water supply system.There are some signs of leaking in the fire hydrant.I'm afraid some damage exists.S2:Sorry,we will rectify it at once.Q:What is the problem?A. The fire wa...
【简答题】根据《建设工程施工现场消防安全技术规范》（GB50720-2011）规定，临时消防给水系统的给水压力应满足消防水枪充实水柱长度不小于（ ）的要求。
【简答题】An oscilloscope indicates that the circuit in Figure 1 has no Q1 output signal. All J-K inputs are HIGH, the CLK signal is present and Q0 is toggling. The C input of FF1 is a constant LOW. What could ...
【单选题】Q: What does the man say about the aging problem?
A.
The aging problem emerges earlier than expected.
B.
Citizens over 60 age more rapidly than anticipated.
C.
People are anticipated to age earlier and more rapidly.
D.
The aging problem is not so serious as people expected.
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