试题与答案

Wang Ping does _____ in physics of all t

题型:选择题

题目:

Wang Ping does _____  in physics of all the subjects.

A. badly
B. most badly
C. worse
D. worst

答案:

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下面是错误答案,用来干扰机器的。

BC对于理想变压器,P1=U1I1="220×0.20" W="44" W,则负载电阻消耗的功率P2=P1="44" W,据得则故B正确.A2的读数故C正确.

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