2. 外语
  3. Researchers found that teens who slept less than 5 hours a night were 5 times more likely than those who slept longer to have___

Researchers found that teens who slept less than 5 hours a night were 5 times more likely than those who slept longer to have___

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问题 Researchers found that teens who slept less than 5 hours a night were 5 times more likely than those who slept longer to have______blood pressure.
选项 A、alternated
B、accelerated
C、elevated
D、startled
答案C
解析 句子的大意为：研究人员发现，每晚睡眠时间不足6．5小时的青少年患高血压的可能性是睡眠超过6．5小时的青少年的2．5倍。A项alternated“交替”；B项accelerated“加强，加速”；C项elevated“提高，举起”；D项startled“震惊，吃惊”。所以c项符合题意。
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