A. merit B.signal C.visible D.swift

30.This tree is too _______ to be planted in this area.

A. tremendous B.vigorous C.shy D.tender

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