151. You must guarantee against the _____ of similar incidents.
A. occasion
B. happening
C. commencement
D. occurrence
152. The government has yet to ____ suitable means to compensate those evicted from building sites.
A. work out
B. work up
C. draw out
D. draw up
153. Earnings have held up well _______ some very negative developments, including a big drop in the dollars value.
A. instead of
B. in the face of
C. in excess of
D. in consequence of
154. Drug was never _____ to sufficiently severe tests.
A. submitted
B. imposed
C. exposed
D. subjected
155. Stability is _____ for the world economy.
A. vital
B. fatal
C. mortal
D. neutral
答案:
151. D
occasion 场合, 时机, 机会
happening 事件, 意外发生的事
commencement 开始, 毕业典礼
occurrence 发生, 出现, 事件, 发生的事情
字义辨析:happen, occur, take place, chance
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