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  3. 共用题干 第二篇Sleep DeficitJudging from recen

共用题干 第二篇Sleep DeficitJudging from recen

免费题库2022-08-02  23
问题 共用题干第二篇

Sleep Deficit

Judging from recent surveys,most experts in sleep behavior agree that there is virtually an epidemic（流
行病）of sleepiness in the nation."I can't think of a single study that hasn't found Americans getting less
sleep than they ought to,"says Dr. David.Even people who think they are sleeping enough would probably
be better off with more rest.
The beginning of our sleep-deficit (睡眠不足）crisis can be traced to the invention of the light bulb a
century ago.From diary entries and other personal accounts from the 18th and 19th centuries,sleep scien-
tists have reached the conclusion that the average person used to sleep about 9.5 hours a night."The best
sleep habits once were forced on us,when we had nothing to do in the evening down on the farm,and it was
dark."By the 1950s and 1960s,that sleep schedule had been reduced dramatically,to between 7.5 and 8
hours,and most people had to wake up to an alarm clock."People cheat on their sleep,and they don't even
realize they're doing it,"says Dr. David."They think they're okay because they can get by on 6.5 hours,
when they really need 7.5,eight or even more to feel ideally vigorous.
Perhaps the most merciless robber of sleep,researchers say,is the complexity of the day.Whenever
pressures from work,family,friends and community mount,many people consider sleep the least expensive
item on his programme.In our society,you're considered dynamic if you say you only need 5.5hours'
sleep.If you'ye got to get 8.5 hours,people think you lack drive and ambition.
To determine the consequences of sleep deficit,researchers have put subjects through a set of psycho-
logical and performance tests requiring them,for instance,to add columns of numbers or recall a passage
read to them only minutes earlier."We'ye found that if you're in sleep deficit,performance suffers,"says
Dr. David."Short-term memory is weakened,as are abilities to make decisions and to concentrate."It can be infered from this passage that one should sleep as many hours as is necessary to_________.A:improve one’s memory dramaticallyB:be considered dynamic by other peopleC:maintain one’s daily scheduleD:feel energetic and perform adequately
选项 It can be infered from this passage that one should sleep as many hours as is necessary to_________.
A:improve one’s memory dramatically
B:be considered dynamic by other people
C:maintain one’s daily schedule
D:feel energetic and perform adequately
答案 D
解析 文章第二段第一句说：睡眠不足始于一个世纪前电灯的发明。第三句说：良好的睡眠 习惯是强加于人的，晚上天黑，地里无法干活。由此可以推断出，C项符合题意。
本题为推理判断题。在文章第二段后半部分David博士直接提出：人们在睡眠问题上 自己欺骗自己，而且他们根本没有意识到这一点。由此可以推断出美国人也经常忽略睡眠不 足产生的后果。故选B。
文章第三段第二句话说：只要来自工作、家庭、朋友或社会的压力增加了，许多人就认 为睡眠不足是不重要的事情。A项；工作一忙，首先可以牺牲的是睡眠，符合题意。
本题为词义辨析题。本题考了一个熟悉的词subject。它是一个多义词，可以表示“题目”、“科目”等。但这些义项在这里都不合适。要确定它的意思，最关键的是要准确弄清它所 在句子前后部分的意思和关系。这句话前一部分说，要确定睡眠不足引起的后果：研究人员让 subject。通过一系列的心理和能力的测验，要求them将几栏数字加起来或回忆几分钟前所听 到过的文章。所以，这里subjects是人，是“正在被研究的对象”。选项C是正确答案。
本题为判断推理题。在文章最后一段研究结果“We' ye found that if you' re in sleep deficit, performance suffers,""Short-term memory is weakened,as are abilities to make decisions and to concentrate.”可知，睡眠关系到人的精力和表现。故选D。第三篇 本篇文章讲述了营养不良是造成发展中国家许多儿童体重过低，生长发育缓慢的主要原因。 世界卫生组织(WHO）呼呀国际社会关注这一现象。然而在世界范围内仍有一大批人正遭受营养不 良所带来的病痛。仅从数据方面看，铁缺乏是最普遍的微量元素缺乏症，发病人群主要是孕妇和儿 童。文章最后提到治疗铁缺乏症的一些措施。
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