31.He drove very fast to _______ that red car.
A. scatter B.overtake C.site D.sponsor
32.Slides are sometimes called ________ film.
A. whistle B.vigorous C.robot D.transparent
33.Professor Smith _______the most important part in his paper.
A. omitted B.disputed C.designed D.chased
34.This knife is made of steel _______ and it can be used for a long time.
A. mixed B.alloy C.champion D.grasp
35.The theory of _______ was developed by Darwin and is now understood by nearly everybody in the world.
A. determination B.distribution C.discipline D.evolution
31.B 32.D 33.A 34.B 35.D