46. We have planned an exciting publicity ________ with our advertisers.
A) struggle
B) campaign
C) battle
D) conflict（B）
47. ________ the help of their group, we would not have succeeded in the investigation.
A) Besides
B) Regardless of
C) But for
D) Despite（C）
48. ________ much is known about what occurs during sleep, the precise function of sleep and its different stages remains largely in the realm of assumption.
A) Because
B) For
C) Since
D) While（D）
49. John doesn’t believe in ________ medicine; he has some remedies of his own.
A) standard
B) regular
C) routine
D) conventional（D）
50. Owing to ________ competition among the airlines, travel expenses have been reduced considerably.
A) fierce
B) strained
C) eager
D) critical（A）
51. They always give the vacant seats to ________ comes first.
A) whoever
B) whomever
C) who
D) whom（A）
52. In Africa, educational costs are very low for those who are ________ enough to get into universities.
A) ambitious
B) fortunate
C) aggressive
D) substantial（B）
53. Professor Wang, ________ for his informative lectures, was warmly received by his students.
A) knowing
B) known
C) to be known
D) having known（B）
54. Our manager is ________ an important customer now and he will be back this afternoon.
A) calling on
B) calling in
C) calling up
D) calling for（A）
55. A fire engine must have priority as it usually has to deal with some kind of ________.
A) precaution
B) crisis
C) emergency
D) urgency（C）
56. He said that the driver must have had an accident; otherwise he ________ by then.
A) would have arrived
B) must have arrived
C) should arrive
D) would arrive（A）
57. The film provides a deep ________ into a wide range of human qualifies and feelings.
A) insight
B) imagination
C) fancy
D) outlook（A）
58. It is high time that such practices ________.
A) are ended
B) be ended
C) were ended
D) must be ended（C）
59. Urban crowdedness would be greatly relieved if only the ________ charged on public transport were more reasonable.
A) fees
B) fares
C) payments
D) costs（B）
60. The doctor had almost lost hope at one point, but the patient finally ________.
A) pulled out
B) pulled through
C) pulled up
D) pulled over（B）
责任编辑：sealion1986
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