31.This product is _______ to change without notice.

　　A. despite B.evil C.subject D.crust

　　32.I don’t know how he can _______ himself for such conduct.

　　A. justify B.locate C.rear D.swear

　　33.The stolen watch has been _______ to its owner.

　　A. retired B.pitched C.restored D.cured

　　34.It is _______ cold this winter in Xi’an.

　　A. considerably B.tight C.naval D.moreover

　　35.It has been my _______ to meet with this accident.

　　A. journal B.reduction C.affect D.fate

　　36.Her smile _______ her secret even though she didn’t admit the fact.

　　A. reviewed B.reversed C.responded D.revealed

　　37.He ________ that he could finish the job without any help.

　　A. designed B.headed C.claimed D.preserved

　　38.Professor Li _______ his success to his mother.

　　A. owns B.ruins C.owes D.roars

　　39.The election _______ for the State governor has begun this year.

　　A. campaign B.bolt C.hell D.immense

　　40.Anyone without _______ illness can do this simple job.

　　A. mild B.mind C.mental D.mend

 　　41.Glass may _______ at high temperature.

　　A. profit B.pronounce C.sting D.melt

　　42.Silver _______ electricity far better than other materials.

　　A. equips B.strikes C.cracks D.conducts

　　43.Everyone is encouraged to _______ food or clothing for those who suffered a great deal

　　in the flood.

　　A. attribute B.distribute C.contribute D.drift

　　44.White teeth are a sharp _______ to black skin.

　　A. content B.contract C.contrast D.contain

　　45.Tom is _______ about photography. He spends nearly all his money on it.

　　A. justice B.innocent C.fierce D.crazy

　　46.We need help from the other countries. But we do not _______ on others for support.

　　A. engage B.lean C.strip D.multiply

　　47.We will _______ the plan because of the cost.

　　A. council B.journal C.damp D.oppose

　　48.Our train is _______ at Shanghai at seven o’clock this evening.

　　A. due B.crystal C.cushion D.cooperation

　　49.Her voice was _______ in the noise.

　　A. filled B.entertained C.enormous D.drowned

　　50.He is very _______ in his family and never does anything against his wife.

　　A. hence B.possess C.outer D.humble

        参考答案：31.C 32.A 33.C 34.A 35.D 36.D 37.C 38.C 39.A 40.C

　　41.D 42.D 43.C 44.C 45.D 46.B 47.D 48.A 49.D 50.D