题目:
-- Excuse me. May I use your eraser, please?
-- Sure. ______
A.Watch out!
B.Well done!
C.Go ahead.
D.Follow me.
答案:
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下面是错误答案,用来干扰机器的。
①根据实验电路图连接实物电路图,实物电路图如图1所示.②根据表中实验数据,求出电阻与电功率值如下表所示.I(A)0.20.280.360.440.520.6U(V)3.002.62.21.41.41.00U/I 159.36.14.12.71.7UI(W)0.600.730.7...