2. 外语
  3. Scientists have made a __________ in their combat against the AIDS.

Scientists have made a __________ in their combat against the AIDS.

admin2011-02-11  35
问题 Scientists have made a __________ in their combat against the AIDS.
选项 A、breakup
B、breakdown
C、breakthrough
D、breakout
答案C
解析 科学家们在治疗艾滋病方面取得了突破。本题是考查形似合成词的词义。breakup“崩溃，停止，解散”； breakdown“(机器等的)破损，故障”；breakthrough“突破性的进展，突破点”；breakout“爆发；越狱，逃亡”。
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大学英语六级

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