第3题: [单项选择]According to the professor, what do congressional aides in local offices mainly do( ). A. Research foreign policy issues B. Communicate with the aides of other congressional representatives C. Help citizens solve problems D. Oversee local elections 参考答案:C
第4题: [单项选择]室性阵发性心动过速最常见的病因是() A. 心力衰竭 B. 先心病 C. 冠心病 D. 心肌病 E. 洋地黄中毒 参考答案:C
第32题: [单项选择]Where are they A. On a bus. B. In subway. C. On a taxi. 参考答案:C 答案解析:[听力原文] M: Can’t we go any faster We have to be in a meeting in ten minutes. F: Sorry. So many