A．add upB．break upC．make upD．cut up

Just now a strange idea（) in her mind.A springed upB sprang upC sprung upD spring up

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I have been trying to quit smoking.A．give upB．pick upC．build upD．take up

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You should ______ smoking.A、grow upB、pick upC、give upD、set up

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【C7】A．cut upB．hold upC．pull upD．hang up

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A. look upB. take upC. move upD. put up

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A．add upB．break upC．make upD．cut up

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三相交流电源作△形连接时 线电压UL与相电压Up的数值关系为()。A.UpB.UL= UpC.UL=UpD.UL=3Up

答案解析