问题补充：
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．
【小题1】A ．beside
【小题2】A．upon
【小题3】A．ensure
【小题4】A．through
【小题5】A．reveals
【小题6】A．effect
【小题7】A．already
【小题8】A．means
【小题9】A．removes
【小题10】A．proceeded
【小题11】A．by
【小题12】A．familiar
【小题13】A．findings
【小题14】A．persevere
【小题15】A．where
【小题16】A．then
【小题17】A．claim
【小题18】A．once
【小题19】A．Besides
【小题20】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
C
答案：
(答案→)C
解析：可联系答.案.网客服索取。
