题目

已知某家庭电路中的用电器正常工作时，流过的电流是1A，该用电器可能是（ ） A . 电子手表 B . 日光灯 C . 台式电脑 D . 家用空调 答案：C根据下面的对话内容，从对话前的选项中选出最佳选项填入空白处，将代号填入空白处。选项中有一个多余选项。A. And I think e-mail is one of the best ways to communicate with others. B. I’ve got so many e-mails to go through. C. I agree with you. D. Of course!E. How many e-mail addresses have you had?F. I feel like getting more e-mails. A: It’s very late. Are you still on the computer?B: Well, yes. （1）    A: What kind of e-mails?B: Some are messages from my friends and some are from the relatives. A: Do you have to write them back right away?B:（2）    Usually people want a quick reply. A:（3）   B: I’ve already had 40 people’s addresses in my address book!（4）    A:（5）    E-mail is really very convenient(方便的).