题目：
根据上下文补全对话.
Li Min: Hello! How are you?
Lucy: 1______, thank you.
Li Min: Are you Lily?
Lucy: No, 2______ Lucy.
Li Min: Sorry. You 3______ Lily look 4______ 5______. Is Lily here, too?
Lucy: No, she is not 6______ school today.
Li Min: 7______ is she?
Lucy: She's not well today.
Li Min: Where is she? 8______ she at home now?
Lucy: I 9______ she is.
Li Min: Look! 10______ that girl over there? That's Lily! Hi, Lily, how 11______ you?
Lucy: I'm 12______ now. Thank you.
答案：
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下面是错误答案，用来干扰机器的。
CD题目分析：电容器的电容由电容器自身决定，所以当滑动触头P向下滑动时，电容器C的电容保持不变，故A错误；当滑动触头P向下滑动时，R2连入电路中的阻值增大，所以电路中的电流减小，流过R1的电流减小，R1的电压...
