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【单选题】
关于自动化船舶机舱中重要泵的互为备用自动切换控制电路的功能叙述错误的是______。A.
在遥控，可以在集控室对各组泵进行遥控手动起动或停止
B.
因某种原因电网失电后，所有运行泵都停止运行，电网恢复供电后，各组原来运行的泵依据事先设定好的时间顺序逐台重新自动起动
C.
在自动运行方式，当运行泵发生故障时，备用泵能够自动进行切换
D.
在遥控，只可以在集控室手动起、停泵，不可在机旁手动起、停泵
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举一反三
【单选题】We don’t have to hurry as the bus for London at five in the evening.
A.
leaves
B.
left
C.
has been leaving
D.
has left
【单选题】—______ Emily is in such a hurry? —I don’t know. She might run to catch the bus.
A.
Do you think why
B.
Why you think
C.
Why not think
D.
Why do you think
【单选题】— Hurry up. The bus is coming. — Wait a minute. Don’t cross the street___________the traffic lights change to green. A. until B. after C. while D. since
A.
until
B.
after
C.
while
D.
since
【单选题】Everyone was on time for the meeting_____ Chris, who is always 10 minutes late for everthing.
A.
so
B.
only
C.
even
D.
yet
【单选题】---Hurry up. The bus is coming. ---Wait a minute. Don’t cross the street ___ the traffic light are green.
A.
if
B.
unless
C.
after
D.
since
【简答题】M: Excuse me, but I’d
better 1)______________ . W: Can’t you stay
2)_____________ ? M: No. I’m sorry, but
I really have to go. I’ll 3)____________
if I don’t hurry. W: When does the last
bus go? M...
【单选题】Everyone was on time for the meeting _____ Chris, who is always 10 minutes late for everything.
A.
so
B.
only
C.
even
D.
yet
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