第21题: [单项选择]Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?() A. Exhaust and scavenging B. Scavenging and compression C. Ignition and expansion D. Exhaust and compression 参考答案:A
第34题: [单项选择]If you are going to interview someone you ____ know something about them. A. had rather B. would rather C. should as well D. might as well 参考答案:C 答案解析:[解析]题干的意思是:如果您打算面试某人,你也必须了解一下这个人。由题意可知,本题选C。