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【单选题】
电磁型电流继电器的返回系数( )。A.
大于1
B.
小于1
C.
等于1
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】---David, turn off the TV_____ no one is watching it. ---But it__________off already! The music is from the radio.
A.
so that; has been turned
B.
whe; has turned
C.
if; has been turned
D.
because; has turned
【简答题】A．She has health problems. B．She can't endure the people in the market. C．She can't endure the dirty air in the market. D．She would like to go shopping with her friends.
【单选题】David, turn off the TV no one is watching it.
A.
But it________ off already! The music is from the radio.
B.
so that; has been turned
C.
when; has turned
D.
if; has been turned
E.
because; has turned
【简答题】护士用紫外线消毒治疗室时，如果防护不当，可导致哪些部位不同程度的损害?
【单选题】What is Annie's biggest problem？
A.
She can't drive round corners.
B.
She can't park the car well.
C.
She can't speak to the examiner.
【简答题】护士用紫外线消毒治疗室时,如果防护不当,可导致不同程度的____、____等不良反应。
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