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【单选题】
闪光继电器的种类有()、电容式、电子式三类。A.
信号式
B.
电热式
C.
式
D.
冲击式
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举一反三
【单选题】What does the professor mean when she says this?
A.
True art is supposed to mean something to everybody.
B.
Art should be put on a pedestal to have its vitality.
C.
Works in the great medieval and Renaissance are real arts.
D.
The authentic American art of our time is 'high' art.
【单选题】听力原文： W: I wonder if you can help me. I've been so busy sightseeing these days and I haven't had time to do any shopping. And now it's almost end of my tour and I'm leaving tomorrow. I need to buy and...
A.
Shop-assistant and customer.
B.
Husband and wife.
C.
Police and pedestrian.
D.
Travel guide and tourist.
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