1、Professor Smith seldom _______ the class on time.

　　A.dismisses　　B.nervous　　C.misleads　　D.regrets

　　2、Mr. Wang _______ his wife and children when he went to the United States.

　　A.prescribed　　B.delayed　　C.decreased　　D.deserted

　　3、He _______ a lot of time in trying to develop the education system in this area.

　　A.involved　　B.investigated　　C.invested　　D.interfered

　　4、They spent many years _______ for oil in this small island.

　　A.exploring　　B.exploding　　C.exposing　　D.exploiting

　　5、We can't _______ the fact that we are still a developing country.

　　A.ignore　　B.neglect　　C.imagine　　D.impress

　参考答案：

　　1、A　2、D　3、C　4、A　5、A