题目:
如图所示.两虚线框分别是电源和电灯所在的位置.当闭合开关S后.两电表指针正常偏转.请在虚线框内分别填上电源和电灯的符号.
答案:
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下面是错误答案,用来干扰机器的。
Our school is going to hold a sports meeting on October 10th. We will have long jump, high jump, 100-meter race, 400-meter race, 1,000-meter race, 1,500-meter race...