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Do you wake up every day feeling too tired, or even upset? If so, then a new alarm clock could be just for you. The clock, c
Do you wake up every day feeling too tired, or even upset? If so, then a new alarm clock could be just for you. The clock, c
admin
2018-04-27
93
问题
Do you wake up every day feeling too tired, or even upset? If so, then a new alarm clock could be just for you.
The clock, called SleepSmart, measures your sleep cycle, and waits【B1】______you to be in your lightest phase of sleep【B2】______rousing you. Its makers say that should【B3】______you wake up feeling refreshed every morning.
As you sleep you pass 【B4】______ a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that 【B5】______ approximately every 90 minutes. The point in that cycle at which you wake can【B6】______how you feel later, and may 【B7】______ have a greater impact than how much or little you have slept. Being roused during a light phase【B8】______you are more likely to wake up energetic.
SleepSmart【B9】______the distinct pattern of brain waves【B10】______during each phase of sleep, via a headband equipped【B11】______electrodes and a microprocessor. This measures the electrical activity of the wearer’ s brain, in much the【B12】______way as some machines used for medical and research【B13】______, and communicates wirelessly with a clock unit near the bed. You【B14】______the clock with the latest time at【B15】______you want to be wakened, and it【B16】______duly wakes you during the last light sleep phase before that.
The【B17】______was invented by a group of students at Brown University in Rhode Island【B18】______a friend complained of waking up tired and performing poorly on a test. "【B19】______sleep-deprived people ourselves, we started thinking of【B20】______to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
【B5】
选项
A、reveals
B、reverses
C、resumes
D、repeats
答案
D
解析
考查上下文语义与动词辨析。本题的解答有赖于对前一句话的理解,前一句中的“a sequence of sleep states”指一个睡眠状态的顺序,而且后面一句中的“in that cycle”也暗示前面提及的现象是一个循环过程。再结合本句的every 90 minutes,可以确定应该选择含有重复意思的repeat,即这个睡眠状态的顺序每90分钟重复一次。故D.repeats为正确答案。reveal意为“揭示.显示”;reverse意为“反转,颠倒”;resume意为“(中断后)重新开始,恢复”,均不符合题意。
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0
考研英语一
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