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Accordingtothelasttwoparagraphs,whatdidthepreviousresearchersthinkaboutthehumaneye’slight-sensingsystem?
A、Thehumaneyehadtwolight-sensingsystems.
B、Thehumaneyehadonelight-sensingsystem.
C、Thehumaneyecouldsensethelightofdaymorequicklythanthedarkofnight.
D、Thehumaneyecouldresetourinternalclocksinaccordancewiththealarmclocks.
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Mostmoviestarsarenotwillingto
A、lieabout
B、tell
C、reveal
D、keep
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Whatisimpliedinthesecondparagraph?
A、Youngchildren’sbiologicalclockhasthesamerhythmwiththatoftheteenagers.
B、Peopleafterpubertybegintogotobedearlierduetothechangeofthebiologicalclock.
C、hildrenbeforepubertytendtofallasleepearlieratnightthanadolescents.
D、Teenagersgotobedlaterthantheyusedtoduetothelightfromthecomputerscreen.
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Theclocklocatedinsideourbrainsissimilartoourbedsidealarmclockbecause_____.
A、itcontrolswhenwewake,whenweeatandwhenwesleep.
B、ithasacycleof24hours.
C、itisacyclealsocalledcircadianrhythm.
D、itcanalarmanytimeduring24hours.
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Jane’s
A、personal
B、dominate
C、family
D、dormitory
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Paragraph4____.
A、IntroductiontoTechnologicalAdvancesOccurringinthePastDecades
B、WhattheLAMVWillBeLikeintheFuture
C、TheSpecialtyandUser-friendlyFunctionPossessedbytheLAMV
D、omparisonbetweentheLAMVandTraditionalAircrafts
E、NumberofSafetyFeaturesoftheLAMV
F、riefIntroductiontotheLAMV
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Wecan’tdoanythingifmum
A、discover
B、punish
C、ask
D、thinkabout
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Twostudentsgotintoasevere
A、dispute
B、discovery
C、battle
D、struggle
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WhichofthefollowingstatementsisNOTtrueaccordingtothefourthandfifthparagraphs?
A、Ourbiologicalclockresetsitselfautomatically.
B、lightgetsthroughoureyesandresetsourbiologicalclock.
C、Ourinternalclockaswellasthealarmclockcanberesetautomatically.
D、Ourinternalclock,likethealarmclock,canbereset.
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Inthethirdparagraphtheauthorwantstotellthereaderthat_____.
A、itisnaturalforteenagerstostayuplateandgetuplate.
B、stayinguplatehasabadeffectonteenagers’abilitytothinkandlearn.
C、duringpubertymostteenagersexperienceakindofgraycloud.
D、itishardforteenagerstogetoutofbedinthemorning.
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