21.This light shelf is strong enough to _______ all the books here.

A. wipe

B.wax

C.survey

D.sustain

22.The _______ Court is the highest court in the United States.

A. Vital

B.Thunder

C.Reverse

D.Supreme

23.Our university has an international student exchange _______ with the University of Wyoming in the United States.

A. procession

B.provision

C.profession

D.program

24.He ________ of me the best way to go.

A. investigated

B.inquired

C.frightened

D.resorted

25.Mr. White tried to _______ this job through the influence of his father.

A. harness

B.fetch

C.curse

D.obtain

26.The police dog finally found the _______ of the prisoners of war.

A. steep

B.resolution

C.porter

D.trail

27.As the only _______ in the small village, he not only fixed the furniture but also made furniture for the villagers.

A. symbol

B.source

C.pan

D.carpenter

28.A big crowd gathered around the bus, almost _______ the traffic.

A. affecting

B.blocking

C.creating

D.mating

29.As far as I see, this book has its own _______.

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