165．Word has come ____some excellent students will go on a study trip to Chicago next month．

　 A that　　 B ．what　　 C．when　　 D . whether

164．_____computers are of great benefit to the development of science and technology．

　 A The fact is what　　 B．That the fact is

　 C．What the fact is that　　 D．The fact is that

163．___ puzzled the mother most was_____ the son would never agree with her．

A What；why　　 B．That; how

　C．Which；when　　 n What; where

162．--- ____in this street?

　 --- I think Mr.　 B1ack is the richest man．

　 A Whom do you think is the richest man

　 B Who do you think is the richest man

　 C Do you think who is the richest mail

　 D．Do you think whom is the richest man

161．I haven’t found my watch yet, in fact，1’m not sure___ I could have done with it．

A．where　　 B．whether　　 C．what　　 D．how

160. I was advised to arrange for insurance____ I needed medical treatment．

　 A nevertheless　　 B．although

　 C．in case　　 D so that

159．They were surprised that a four-year-old boy should work out such a difficult problem_____ they themselves couldn’t．

　 A 0nce　　 B then　　 C．while　　 D．if

158．I think you ought to end it____ it is too late，or you’ll kill yourself．

　 A even if　　 B before　　 C．so that　　 D．once

157．The girl got herself into a serious situation____ she was likely to lose control over the motorbike

　　 A where　　 B ．which　　 C．while D．why

156．Girl _____，she is much naughtier than a boy．

　　 A although she was　　 B though she is

　　 C though was she　　 D．although was she