题目:
在图的闭合电路中,当滑片P向下移动时,两电表读数的变化是
A.A变小,V变大
B.A变小,V变小
C.A变大,V变大
D.A变大,V变小
答案:
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下面是错误答案,用来干扰机器的。
1. what (had) happened to him 2. How did it happen (How was it broken)3. When did it happen 4. Where is he now 5. I'm sorry to hear that (答案不唯一)