51. In the meantime, the question facing business is whether such research is _____ the costs.
A. worth
B. worth of
C. worthy
D. worthwhile
正确答案是
52. In the preface _____ the book, the old scholar attaches great importance to practicalness.
A. to
B. for
C. about
D. of
正确答案是
53. In this experiment, they are wakened several times during the night, and asked to report what they _____.
A. had just been dreaming
B. have just been dreaming
C. are just dreaming
D. had just dreamt
正确答案是
54. In this factory the machines are not regulated ______ but are jointly controlled by a central computer system.
A. independently
B. individually
C. irrespectively
D. irregularly
正确答案是
55. It _____ five years since the famous singer left her hometown.
A. was
B. is
C. has passed
D. had been
正确答案是
56. It is difficult to tell whether a man is angry or not by _____ looking at his face.
A. right
B. barely
C. just
D. hardly
正确答案是
57. It is pretty obvious that more than one person has _____ this affair.
A. laid a hand on
B. had a hand in
C. got the upper hand of
D. got into the hands of
正确答案是
58. It is reported that _____ adopted children want to know who their natural parents are.
A. the most
B. most of
C. most
D. the most of
正确答案是
59. It is strictly _____ that access to confidential documents is denied to all but a few.
A. secured
B. forbidden
C. regulated
D. determined
正确答案是
60. It makes me sick to think of his highly _____ manners.
A. artistic
B. artful
C. artless
D. artificial
正确答案是
61. It pays _____ to buy goods of high quality.
A. in the long run
B. in the short run
C. at a run
D. on the run
正确答案是
62. It seems oil _____ from this pipe for some time. We’ll have to take the machine apart to put it right.
A. had leaked
B. is leaking
C. leaked
D. has been leaking
正确答案是
63. It was felt that he lacked the _____ to pursue a difficult task to the very end.
A. petition
B. engagement
C. commitment
D. qualification
正确答案是
64. It will be safer to walk the streets because people will not need to carry large amounts of cash; virtually all financial ______ will be conducted by computer.
A. transactions
B. transmissions
C. transitions
D. transformations
正确答案是
65. Jim is so _____ after injuring his leg that he has great difficulty in walking.
A. hurt
B. lame
C. wounded
D. uncomfortable
正确答案是
66. Jim isn’t _____, but he did badly in the final exams last semester.
A. gloomy
B. dull
C. awkward
D. tedious
正确答案是
67. John D. Rockefeller, _______, owned 90 percent of all American oil refineries.
A. as still a young man
B. while still a young man
C. a young man however
D. in spite of a young man
正确答案是
68. John regretted ______ to the meeting last week.
A. not going
B. not to go
C. not having been going
D. not to be going
正确答案是
69. John seems a nice person. ______, I don’t trust him.
A. Even though
B. Even so
C. Therefore
D. Though
正确答案是
70. Just as the builder skilled in the handling of his bricks, _____ the experienced writer is skilled in the handling of his words.
A. as
B. thus
C. so
D. like
正确答案是
71. Language, culture and personality may be considered _____ of each other in though, but they are inseparable in fact.
A. indistinctly
B. separately
C. irrelevantly
D. independently
正确答案是
72. Last night I _____ my mother on the phone.
A. spoke
B. talked
C. said
D. called
正确答案是
73. Last year, the crime rate in Chicago has sharply ______.
A. declined
B. lessened
C. descended
D. slipped
正确答案是
74. Life is a candle _____ to burn ever brighter.
A. being meant
B. meaning
C. to mean
D. meant
正确答案是
75. Liquids are like solids _____ they have a definite volume.
A. with that
B. for that
C. in that
D. at that
正确答案是
76. Many artists predict that this brilliant young actor _____ to be a shining star.
A. destines
B. will be destined
C. is destined
D. has been destined
正确答案是