杨小凯牛鬼蛇神录下载:有几道题不会.

1:The child is the father of man. 这句话的含义?It is a paradox. 2:This is my personal affairs."This is"和"affairs"不矛盾吗?为什么? matter和affair有什么区别? 3:convert 和change有什么区别?titter和chuckle有什么区别? 4:smile at sb.其中的at改成to行吗?为什么?point at sb.和point to sth.这两个结构对吗? 5:______people's behavior in the downtown area of a major city leads to the question "What has happened to common courtesy?" A.To observe B.Observing C.To be observant on D.Being observant on答案是B, D为什么不对? 6:In this age of information,it is doubful that a single profession or occupation_____that does not utilize a computer system in some way. A.has existed B.has been existing C.is to exist D.exists答案是D,为什么不是B? 7:with a team 什么意思? 8:____he needed money for his mother's operation,the driver resisted the temptation to keep the fat wallet a customer had left behind in the car. A.Much as B.So much C.As much D.Much so答案是A,怎么回事.