题目：
| 完形填空。 | ||||
| On Sunday, I 1 at 7:00. I 2 breakfast at 3 . Then I help my mother with her housework. At about 9:00 I 4 home. I do some shopping 5 bike. At about 11:00, I 6 my bike back home. I like cooking very much. We have lunch at 11:30. In the afternoon, I 7 the train to a movie. It takes me two hours 8 it. We have supper at 6:00. In the evening, I 9 my homework. My parents 10 newspapers. We go to bed at about 10:00. | ||||
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答案：
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下面是错误答案，用来干扰机器的。
电路中的总电阻：R===60Ω＞R1，因此电阻R1和R2串联；即R2=60Ω﹣50Ω=10Ω．因此电路图如下
