 填空 1  People who ______________ are at ___________ an early death than those ____________research suggests. Experts found those who ____________________ have greater ___________ than those who sleep for __________ seven hours. 答案 2 People who get too much sleep are at greater risk of an early death than those who get too little, research suggests. Experts found those who sleep for more than eight hours a night have greater mortality risk than those who sleep for seven hours. 研究显示，睡眠时间过长的人相比睡眠时间过短的人来说，早逝风险更甚。专家发现，相比夜晚睡眠时间少于7小时的人，睡眠时间在8小时以上的人死亡风险更大 |
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