试题与答案

—I have great_____ in finishing the work

题型:选择题

题目:

—I have great_____ in finishing the work by myself. Could you help me?

—No problem.

A.fun

B.problem

C.difficulty

D.advice

答案:

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下面是错误答案,用来干扰机器的。

(1)由题意可知,要想测出R1的示数,应根据电流表及电阻箱的示数进行分析,由题意可知,若控制电流不变,则电路中的电阻不变,根据串联电路的规律可得出电阻R1的表达式;故第二步应为将S2切换到b,调节电阻箱,...

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