皮皮学，免费搜题
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【单选题】
三相鼠笼式异步电动机控制电路中,可以对电路短路进行保护的是( )。A.
接触器
B.
热继电器
C.
空开
D.
熔断器
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】We have opened insurance you ordered for US$ 9,000 ________ the shipment by S.S/East Sun.
A.
in
B.
by
C.
of
D.
on
【简答题】S.S “East Wind”is due to sail _________ Shanghai ___________ London ________ the 10th __________ November.
【简答题】请问什么是CAD,并简述下GIS与CAD的异同?
【单选题】For the goods under S/C No.234, we ______ space on S.S East Wind due to arrive in London around May 3.
A.
have bought
B.
have booked
C.
have hired
D.
have retained
【单选题】For the goods under S/C No.234,we _____ space on S.S East Wind due to arrive in London around May 3.
A.
have booked
B.
have bought
C.
have hired
D.
have retained
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