A. feedback B.frost C.outline D.overlook
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 president’s office.
A. pushed B.purchased C.promoted D.promised
37.We don’t 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.
A. psychologically B.moderately C.naturally D.precisely
41.Mary has a _______ view of our future. But nobody believes what she said.
A. portable B.primary C.possession D.positive
42.Nobody knows his _______ for helping us.
A. motive B.motion C.mood D.moral
43.Both sides agree to establish a _______ zone between the south and north.
A. midst B.mild C.mention D.neutral
44.This is a _______ moment for our research. We should be careful.
A. critical B.belt C.conscience D.copper