According to the National Sleep Organization, how long should adults sleep a nig

游客2024-07-05  13

问题 According to the National Sleep Organization, how long should adults sleep a night? [br] How many people do they believe have sleep problems according to the report?

选项 A、About 50 percent.
B、About 76 percent.
C、About 30 percent.
D、About 25 percent.

答案 D

解析 根据第三段“…76 percent said they do not believe they have sleep problem.About one fourth of adults said sleep problems have some effect on their daily lives.”可以得知,在调查的所有人中,有76%的人不相信自己有睡眠问题,约四分之一的成人说已经影响了他们的日常生活,故答案选D。
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