第4题: [单项选择]What can we infer about the woman A. That she has stopped smoking. B. That she does not want to get married. C. That she has asked the man to quit smoking many times. D. That she is not in love with the man. 参考答案:C 答案解析:[解析] 根据We seem to be having this converstion over and over again.可知女士劝男士戒烟已经很多次了。故答案为C。
第5题: [单项选择]关于电击伤的叙述哪项不正确() A. 高频交流电危害性较低频交流电为大、 B. 交流电的危害性较直流电为大 C. 电流引起肌肉强烈收缩 D. 电击伤引起心室颤动 E. 电击伤累及脑干,呼吸、心跳迅速停止 参考答案:A