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Doyouwakeupeverydayfeelingtootired,orevenupset?Ifso,thenanewalarmclockcouldbejustforyou．Theclock,calledSteepSmart,measuresyoursleepcycle,andwaits（36）youtobeinyourlightestphaseofsleep（37
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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, called SteepSmart, measures your sleep cycle, and waits ____（36） you to be in your lightest phase of sleep ____（37） rousing you．Its makers say that should ______（38） you wake up feeling refreshed every morning．As you sleep you pass____（39） a sequence of sleep states---light sleep, deep sleep and REM（rapid eye movement） sleep---that ____（40） approximately every 90 minutes．The point in that cycle at which you wake can ____（41） how you feel later, and may ____（42） have a greater impact than how much or little you have slept．Being roused during a light phase ____（43） you are more likely to wake up energetic． SleepSmart ____（44） the distinct pattern of brain waves _____（45） during each phase of sleep, via a headband equipped _____（46） electrodes and a microprocessor．This measures the electrical activity of the wearer’s brain, in much the ____（47） way as some machines used for medical and research ____（48）, and communicates wirelessly with a clock unit near the bed．You ____（49） the clock with the latest time at _____（50） you want to be wakened, and it _____（51） duly wakes you during the last light sleep phase before that． The _____（52） was invented by a group of students at Brown University in Rhode Island ____（53） a friend complained of waking up tired and performing poorly on a test．“_____（54） sleep-deprived people ourselves, we started thinking of _____（55） 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 students to develop their idea．
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| 小题1:C 小题2:B 小题3:A 小题4:A 小题5:D 小题6:B 小题7:D 小题8:A 小题9:C 小题10:B 小题11:C 小题12:D 小题13:D 小题14:B 小题15:C 小题16:A 小题17:C 小题18:B 小题19:D 小题20:A |
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