第16题: [单项选择]Questions 18 ~ 21 are based on the following dialogue in a travel agency.What is NOT listed on the man’s schedule A. Shopping. B. Watching a show. C. Trying the local food. D. Visiting art galleries. 参考答案:C
第17题: [单项选择]下面哪些是所有点火系统的功用() A. 产生足够的电压击穿火花塞间隙 B. 要使火花出现的时间与发动机的活塞运动相符 C. 根据运行条件的变化而改变火花出现时间 D. 上述全部 参考答案:D