题目

如果测定标有“2.5 V”字样的小灯泡的额定功率，连接电表时接线柱的最佳选择为（） A . 甲连“﹣”“0.6”；乙连“﹣”“15” B . 甲连“﹣”“0.6”；乙连“﹣”“3” C . 甲连“﹣”“3”；乙连“﹣”“15” D . 甲连“﹣”“3”；乙连“﹣”“3” 答案：B18．听下面一段对话，回答第9至第11题．9．How did the woman sleep last night？A．She slept well．B．She woke up once．C．She had bad dreams．10．What does the woman worry about this morning？A．Her difficulty in breathing．B．The meeting at the school．C．The rush-hour traffic．11．What does the woman probably decide to do this weekend？A．To work on her paper．B．To teach a few classes．C．To attend a writing course．