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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 36.Mr. Green has recently been _______ to director of the presidents office. A. pushed B.purchased C.promoted D.promised 37.We dont think that his _______ ability has been well developed. A. possible B.potential C.underneath D.vital 38.Our _______ talks promise a good future for our cooperation. A. interior B.insurance C.initial D.invisible 39.The _______ can help people to see very small objects. A. metropolitan B.microphone C.microscope D.microwave 40.Physically we feel comfortable. But _______, we suffer a lot. | 
