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81. Milk is indispensable _____ the health of a motherless baby.
A. to
B. at
C. with
D. on
正确答案是
82. Modern industry abounds _____ opportunities for young men with imagination.
A. for
B. on
C. in
D. of
正确答案是
83. More than one third of the Chinese in the United States live in California， ______ in San Francisco.
A. previously
B. predominantly
C. practically
D. permanently
正确答案是
84. More than two hundred years ago the United States _____ from the British Empire and became an independent country.
A. got off
B. pulled down
C. broke away
D. dropped off
正确答案是
85. Most good writers use every means _____ to make the reader‘s way smooth and easy.
A. at their disposal
B. at their request
C. at their will
D. at their convenience
正确答案是
86. No longer are contributions to computer technology confined to any one country; _____ is this more true than in Europe.
A. hardly
B. little
C. seldom
D. nowhere
正确答案是
87. Nobody _____ that something was wrong at that time.
A. commented
B. committed
C. noticed
D. expressed
正确答案是
88. Of the thousands of known volcanoes in the world， the _____ majority are inactive.
A. tremendous
B. demanding
C. intensive
D. overwhelming
正确答案是
89. On knowing that this his novel won the Pulitzer Prize， his friends held a big party _____.
A. in his glory
B. in his honor
C. for his glory
D. for his honor
正确答案是
90. One study found that job applicants who make more eye contact are _____ as more alert， dependable， confident and responsible.
A. referred
B. perceived
C. recommended
D. presumed
正确答案是
81. A 82. C 83. B 84. C
85. A 86. D 87. C 88. D 89. B 90. B