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"The ability to sleep in one chunk overnight goes down as we age but the amount of sleep we need to 52.____well does not change," Dr Drummond told the American Association for the Advancement of Science conference in San Diego.
答案
更多“一道很典型的英语四六级完形填空 请教答案”相关的问题
第1题
A.Avoidmakingexcuses。
B.Listentootherpeople’sadvice。
C.Makehisintensionspublic。
D.Haveotherswatchoverhisshoulder。
第2题
While elderly people 47.to sleep for fewer hours than they did when they were younger, this has a 48.effect on their brain's performance and they would benefit from getting more, according to research.
第3题
A.ithascausednoharm。
B.itisclaimedtobeunintentional。
C.ithasgoneunnoticed。
D.itiscommittedwithgoodintentions。
第4题
1. A person of integrity not only sets high moral and ethical standards but also _______。
A) sticks to them in their daily life
B) makes them known to others
C) understands their true values
D)sees that others also follow them
