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【单选题】
空调器中的蒸发器属于（）换热器。A.
管壳式
B.
套管式
C.
肋片式
D.
板式
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【单选题】有些飞机使用一种利用振动频率变化来探测结冰情况的电子式结冰探测器,其工 作原理是让探头以设定频率振动,当探头结冰后
A.
其振动频率减小到低限时，微处理器将驾驶舱中的结冰信号灯接通
B.
其振动频率上升到高限时，微处理器将驾驶舱中的结冰信号灯接通
C.
其振动频率减小到原频率的一半时，通过驾驶杆振动发出结冰信号
D.
其振动频率上升到原频率的一倍时，通过驾驶杆振动发出结冰信号
【单选题】Frank cannot leave until tomorrow．__________．
A.
I cannot too
B.
I can too
C.
Neither can I
D.
I cannot neither
【简答题】I am determined to leave and nothing can stop me. I _______ ________ __________ __________to leave and nothing can stop me. The man insisted on seeing the manager. The man insisted _________ _____...
【单选题】_____ it with me and I'll see what I can do. [ ]
A.
When left
B.
Leaving
C.
If you leave
D.
Leave
【单选题】SpeakerA: Can I leave a message? SpeakerB:
A.
I don't know.
B.
Yes, of course.
C.
No, I can't.
【单选题】Woman: Can you tell me when I can leave here, doctor? I have some important business to attend to. Man: That depends on how your condition reacts to our treatment. You may leave as soon as the bleedin...
A.
The patient must receive treatment regularly.
B.
The patient can't leave the hospital until the bleeding stops.
C.
The patient's husband can attend to the business in her place.
D.
The patient must take a good rest and forget about her business.
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