职称英语考试

【单选题】TheClockThat Wake Yozf When YouAre Ready　　Are you a teal grump(脾气坏的人)in the mOITIingsDo you wake up every day feeling tired，angry aJld up8et，and all too ready to flit the Snooze(瞌睡)button If so，then a new alarnl clockCOilld be just for you．The c10ck，called S1eepSmart，measures your sleep cycle，and waits for you t0 be in your lightest phase of sleep before waking you up，Its makers say that should ensure you wake up feeling refreshed(恢复精力) every moiTling．　　As you sleep you paSS through a sequence of aleep states—light sleep，deep sleep and REM sleep(快速眼动睡眼)一that repeats approximately every 90 minutes．The points in that cycle at which you wakeear affect hOW you feellater，aJld may even have a greater impact th．衄hOW 10ng or little you have slept．Being wakened during a light phase means you are more 1ikely t0 wake up cheefful and full 0f life and interest．　　SleepSmart records the distinct pattern 0f bmin waves pmdueed during each phase of sleep，Via a head baJld equipped with electrodes(电极)and a mieroprocessor．This measures electric actiVity of the weare’s brain，and eommunicates wirelessly with a clock unit near the be
D、You program the clock with the latest time at which vou Wallt t0 be wakened，and it then at the pIDper time wakes you during the 1ast light sleep phase before that．　　The concept was invented by a group 0f students atBrown Universl‘ty in Rhode Island after a friend complained 0f waking up tired and performing p00dy on a test“As sleep—depriVed(剥夺)people ourselves，we started thinking of what t0 do about it，’’saysEric Shashoua，a recent coUege graduate and now chief executive officer 0fAxon Sleep Research Laboratories，a company created by the students to develop their ide
A、They have almost finished a prototype and plan to market the product by next yeat" As you sleep，the headban
D、
A、analyses your sleep cycle every 90 minates．

B、records the time when you fall into deep sleep．
C．eommunicates wirelessly with a computer．

D、measures the electric activity 0f your bmin．

网考网参考答案：D
网考网解析：
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