题目内容
（请给出正确答案）
"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.
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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
A.Avoidmakingexcuses。
B.Listentootherpeople’sadvice。
C.Makehisintensionspublic。
D.Haveotherswatchoverhisshoulder。
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.
A.ithascausednoharm。
B.itisclaimedtobeunintentional。
C.ithasgoneunnoticed。
D.itiscommittedwithgoodintentions。
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
