11.Professor Smith seldom _______ the class on time.

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

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

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

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

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

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

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

15.We can’t _______ the fact that we are still a developing country.

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

16.Can you _______ the man who robbed you of your watch?

A. illustrate B.exhibit C.damage D.identify

17.Many children in developing countries can not go to school,because of _______

A.property B.sword C.trace D.poverty

18.What is your _______ to his coming?

A.altitude B.attitude C.attribute D.aspect

19.He _______ into the water and rescued the little girl.

A. inserted B.sloped C.heaped D.dived

20.You may _______ of the extra books in our department library.

A.deposit B.enclose C.fade D.dispose

答案：A D C A A     D D B D D