【判断题】在电路中,电源内部的电路称为内电路,电源外部的电路称为外电路。
【简答题】含有电源的闭合电路称为 。电源内部的电路称为 , 电源内部的电阻称为 ,简称内阻。电源外部的电路称为 , 外电路中的电阻称为 。
【单选题】If you ________ your mind, please call me at this number before Saturday.
【简答题】(B) 根据句意及首字母提示填空。 31. The Monument tothe People’s H_________ lies in the center of Tian’anmen Square. 32. Please email mesoon and tell me about your v _________. 33. October 1st,1949 was a _________( ...
【简答题】12-34. Please read through the information below before (fill) _________ in your application.