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

游客2023-09-26  76
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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