练习:
A They allow them to “power nap” in the afternoon,if only for 20 minutes.
B Losing just one or two hours of sleep a night,over a long period of time,can cause serious health problems.
C People usually sleep longer in the winter,sometimes as much as 14 hours a night.
D People in power are more intelligent because they take naps.
E Medical experts now believe that sleep is even more important for health than diet or exercise.
F That's why,without enough sleep,a normally intelligent person may start to have difficulty doing daily tasks.
答案与题解:
1.E 本题的做题线索为其之前的一句话,即“睡眠能有助于恢复补充身体和大脑的能量”,其描述的是睡眠的功能,选项 E 说的也是睡眠的功能,与前文形成补充说明.
2.B 该选项对睡眠减少的后果进行了描述,与前一句中“在缺少足够睡眠的情况下,我们的身体无法正常运作”形成呼应,是一个结果性的解释,虽然选项 F 也是对睡眠不足人群后果的解释,但是选项 F 在此不符合上面一句话的语境,其主要是在描述睡眠和智商直接的关系,在下文才有所提及,故答案为选项
3.F 从第三段最后一句话看出,选项 F 描述的是睡眠和智商之间的联系,其做题线索和上一题一样,都是对前面一句话的结果性补充描写.
4.A 该题的做题线索也是对其前一句的话的补充说明,前文中提到了一些公司在睡眠方面对其员工进行了帮助,该选项则简短介绍了这些公司都采取了哪些具体方案.
5.C 本题的做题线索为上下文搭配,在最后一段的第一句中明显提及了睡眠和一年中的不同时期有关,后面最后一句话又讲到了夏季的睡眠时间,那么从中可以判断出,这里描述的应该是另外一种季节的睡眠时间,从而与段首观点句呼应并与下句形成对比,而选项 C 描述的便是冬季的睡眠时间,故符合要求.
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