Question

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．

A ．beside A．upon A．ensure A．through A．reveals A．effect A．already A．means A．removes A．proceeded A．by A．familiar A．findings A．persevere A．where A．then A．claim A．once A．Besides A．what

B．near        B．before        B．assure        B．into        B．reverses        B．affect        B．ever        B．marks        B．relieves        B．produced        B．of        B．similar        B．prospects        B．program        B．this        B．also        B．conclusion        B．after        B．Despite        B．how

C．for        C．towards        C．require        C．about        C．resumes        C．reflect        C．never        C．says        C．records        C．pronounced        C．with        C．identical        C．proposals        C．prohibit        C．which        C．almost        C．concept        C．since        C．To        D．whether

D．around        D．till        D．request        D．on        D．repeats        D．perfect        D．even        D．dictates        D．recalls        D．progressed        D．over        D．same        D．purposes        D．plan        D．that        D．yet        D．explanation        D．while        D．As        D．when

Answer 1

【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

解析:

略