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53. We should make a clear _______ between the two scientific terms for the purpose of our
discussion.
A) separation
B) discrimination
C) deviation
D) distinction
正确答案是
54. The terrorists might have planted a bomb on a plane in Athens, set to ______ when it
arrived in New York.
A) go off
B) get off
C) come off
D) carry off
正确答案是
55. We should be able to do the job for you quickly, ______ you give us all the necessary
information.
A) in case
B) provided that
C) or else
D) as if
正确答案是
56. The younger person's attraction to stereos cannot be explained only _____ familiarity
with technology.
A) in quest of
B) by means of
C) in terms of
D) by virtue of
正确答案是
57. Attempts to persuade her to stay after she felt insulted were ______.
A) in no way
B) on the contrary
C) at a loss
D) of no avail
正确答案是
58. By signing the lease we made a _______ to pay a rent of '150 a week.
A) conception
B) commission
C) commitment
D) confinement
正确答案是
59. To prevent flooding in winter the water flowing from the dam is constantly ______ by a
computer.
A) graded
B) managed
C) conducted
D) monitored
正确答案是
60. Many people think of deserts as _____ regions, but numerous species of plants and animals have adapted to life there.
A) virgin
B) barren
C) void
D) wretched
正确答案是
61. Picking flowers in the park is absolutely ____.
A) avoided
B) prohibited
C) rejected
D) repelled
正确答案是
62. Tony has not the least ____ of giving up his research work.
A) intention
B) interest
C) wish
D) desire
正确答案是
63. Two of the children have to sleep in one bed, but the other three have ____ ones.
A) similar
B) singular
C) different
D) separate
正确答案是
64. Am I to understand that his new post ____ no responsibility with it at all?
A) keeps
B) supports
C) carries
D) possesses
正确答案是
65. Animals that could not _____ themselves to the changed environments perished and those that could survived.
A) change
B) adapt
C) modify
D) conform
正确答案是
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