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

　　答案:

　　21.D 22.D 23.D 24.B 25.D

　　26.D 27.D 28.B 29.A 30.D