1、[单选题] 27. Several families of birds feed primarily ______ flying insects and have developed long wings and wide-opening mouths.
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2、[单选题] 7. Miss Evans knows that Arthur and I can't be ______ the same committee. We are not compatible.
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3、[单选题] 13. It ______ that the best applicants will be employed.
A、remains doubtful
B、goes without saying
C、hasn't been clear
D、doubts
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4、[单选题] 63. This is confidential. Don't ______ a word of this to anyone.
A、let
B、utter
C、leak
D、expose
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5、[单选题] 8. The scheme would be very expensive ______.
A、to carry out
B、to be carried on
C、to carry over
D、carry out
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6、[单选题] 53. Two problems seem to ______ if we take this line of persuasion with school boards and parents.
A、establish
B、enter
C、represent
D、emerge
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7、[单选题] 78. Nylon fibers last longer and are stronger than natural fibers _______ silk or cotton.
A、such as
B、as regards
C、as well as
D、as such
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8、[单选题] 90. Mr. Smith said that he did not want to _______ any further responsibilities.
A、take on
B、get on
C、put up
D、look up
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9、[单选题] 111. The older New England villages have changed relatively little __________ a gas station or two in recent decades.
A、except
B、besides
C、in addition to
D、except for
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10、[单选题] 65. On arriving at Singapore, we telephoned to ______ our mother’s uneasiness.
A、cut
B、relieve
C、subtract
D、decrease
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11、[单选题] 73. The great fire ______ the forest to a few tress.
A、shifted
B、switched
C、reduced
D、decreased
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12、[单选题] 49. The teacher wrote his ______ in the margin of the composition.
A、statements
B、comments
C、accounts
D、definition
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13、[单选题] 117. This article __________ more attention to the problem of cultural interference in foreign language teaching and learning.
A、calls for
B、applies for
C、cares for
D、allows for
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14、[单选题] 75. The president could not go to the meeting, so Mr. Smith ______ him.
A、recorded
B、renewed
C、represented
D、recalled
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15、[单选题] 3. With low buildings the variety of possible shapes is much ______ than with taller buildings.
A、greatest
B、less great
C、greater
D、great
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16、[单选题] 19. ______ a bad habit is formed, it will not be easy to get rid of it.
A、Since
B、Because
C、While
D、Once
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17、[单选题] 56. You cannot ______ it, for I saw you in the very act of doing it.
A、deny
B、reject
C、withdraw
D、avoid
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18、[单选题] 47. They are pleased to switch it off when they do not like the programme or change to the other ______.
A、channel
B、title
C、volume
D、version
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19、[单选题] 69. His family ______ great hardship during the war.
A、endured
B、tolerated
C、sustained
D、undertook
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20、[单选题] 17. We have not seen our next-door neighbors for weeks. They ______ somewhere for holiday.
A、should have gone
B、need have gone
C、ought to have gone
D、must have gone
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