PartV Cloze (15 minutes)
    Do you wakr up every day feeling too tired ,or even upset?if so .then a new alarm clock could be just for you .The clock ,called Sleep Smart,measures your sleep cycle,and waits ___67___you to be in your lightest phase of sleep ____68___rousing you.Its makers say that should ____69____you wake up feeling refreshed every morning.
    As you sleep you pass ___70___a sequence of sleep states-light sleep,deep sleep and REM(raipd eye movement)sleep-that ____71___approximately every90 minutes .The point in that cycle at which you wake can ___72____how you feel later ,and may ____73____have a greater impact than hoew much or little you have slept,Being roused during a light phase____74____you are more likely to wake up energetic.
    67.A)beside B)near C)for D) around
    68.A)upon B)before C)towards D) till
    69.A)ensure B)assure C)require D) request
    70.A)through B)into C)about D) on
    71.A)reveals B) reverses C)resumesD) repeats
    72.A)effect B)affect C)reflect D) perfect
    73.A)alteady B)every C)never D) even
    74.A)means B)marks C)says D) dictates
    75.A)removes B)relieves C)records D) recalls
    76.A)proceeded B)produced C)proniunced D)progressed
    77.A)by B)of C)with D)over
    78.A)familiar B) similar C)tdentical D) same
    79.A) findings B) prospects C)prpposals D)proposes
    80.A) prompt B)program C)plug D) plan
    81.A)where B)this C)which D) that
    82.A)then B)also C)almost D) yet
    83.A)claim B)conclusion C)concept D)explanation
    84.A)once B)after C)since D) while
    85.A)Besides B)Despite C)To D) As
    86.A)what B)how C)whether D) when