48._________ much is known about what occurs during sleep, the precise function of sleep and it different stages remains largely in the realm of assumption.
A) Because B) For
C) Since D) While
49. John doesn’t believe in _________ medicine; he has some remedies of his own.
A) standard B) regular
C) routine D)conventional
50. Owning to ________ competition among the airlines, travel expenses have been reduced considerably.
A) fierce B) Strained
C)eager D) critical
51. They always give the vacant seats to _______ comes first.
A) whoever B)whomever
C)who D) whom
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
53. Professor Wang, _______ for his informative lectures, was warmly received by his students.
A) Knowing B)Known
C)to be known D)having known
54. Our manager is _____ an important customer now and he will be back this afternoon.
A) calling for B)calling in
C)calling up D) calling for
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
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
57. The film provides a deep __________ into a wide range of human qualities and feelings.
A) insight B) imagination
C) fancy D)outlook
58. It is high time that such practices _________.
A) are ended B) be ended
C) were ended D) must be ended
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
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
Part IV Cloze (15 minutes)
Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A), B), C) and D) on the right side of the paper. You should choose the ONE that best fits into the passage. Then mark the corresponding letter on the Answer Sheet with a single line through the center.
A language is a signaling system which operates with symbolic vocal sounds (语声), and which is used by a group of people for the purpose of communication.
Let’s look at this 61 in more detail because it is language, more than anything else, 62 distinguishes man from the rest of the 63 world.
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