职称英语考试理工类B级模拟题二.docx
《职称英语考试理工类B级模拟题二.docx》由会员分享,可在线阅读,更多相关《职称英语考试理工类B级模拟题二.docx(8页珍藏版)》请在冰豆网上搜索。
职称英语考试理工类B级模拟题二
职称英语考试理工类B级模拟题二
第4部分:
阅读理解(第31~45题,每题3分,共45分)
下面有3篇短文,每篇短文后有5道题,每题后面有4个选项。
请仔细阅读短文并根据短文回答其后面的问题,从4个选项中选择1个最佳答案涂在答题卡相应的位置上。
第一篇 Insomnia
Insomniaistheinabilitytosleeprestfully.Itisaproblemtonearlyeveryoneatsometime.Apersonmaybeawakeforanhourinthemiddleofthenightandthen,nextmorning,feelthathehardlysleptallnight.Normally,worryaboutnotgettingenoughsleepistheworstaspectofmostinsomnia.Ifinsomniaoccursrepeatedly,itisimportanttofinditspossiblecausesandtrytocorrectthem.
Anyoflargenumberofsimplefactorsmaymakeitdifficultforsomeonetofallasleep.Hismattressmaybetoosoftortoohard.Iftherearetoomanyblanketsonahotnight,hemaybetoowarm;ifthemattressistoolighthemayfeelcoldduringthenight.Thebedroomitselfmaybeoverheatedortoocold.Ifitisnotdarkenough,ortoonoisy,thismaycausedifficultyinsleeping.Eatingshortlybeforegoingtobedmayalsoberesponsibleforinsomnia.Drinks,suchasteaorcoffee,canalsokeeppeopleawake.
Inabilitytofallasleepissometimesasymptomofemotionalormentaldisorder.
Thecauseofinsomniamaybeeasytocorrect.Thesufferershouldcheckthemattress,andbedroomtemperature,andmakeanynecessarychanges.Heshouldrelaxforanhourortwobeforebedtime,perhapsbyreadingabook,watchingtelevisionortakingawarmbath.Ifhewakesduringthenightheshouldtryturningonthelightandreadingforawhile.Takingwarmmilkandabiscuitortwomaybehelpful.Aboveall,heshouldtrynotworryaboutsleeplessness—whensomeoneistiredenoughhenearlyalwaysfallsasleep.
31Accordingtothepassage,insomniais
Aaseriousdisease.
Bacommoncomplaint.
Casignofillness.
Danunusualproblem
32Accordingtothepassage,peoplewhohasdifficultyinsleepingshouldsleepin
Aadarkandquietroom.
Balightandwarmroom.
Cacoldandquietroom.
Dadarkandwarmroom.
33Accordingtothepassage,ifapersonwantstofallasleepfastheshouldn’t
Aeatanythingduringsuppertime.
Breadanybooksbeforehegoestobed.
Cwatchtelevisionshortlybeforegoingtobed.
Ddrinkanythingthatwillkeephimawake.
34Accordingtothepassage,whatistheworstaspectofinsomnia?
AWatchingtoomuchtelevision.
BEatingtoomuchbeforegoingtobed.
CWorryingaboutsleeplessness.
DReadingtoomuchatnight.
35Accordingtotheauthor,insomniashouldn’tbeaseriousproblembecause
Aitscausecanbecorrectedbymakingoneselffeeltiredenough.
Bdoctorscancureiteasily.
Csomepeoplecancatchupontheirsleepduringtheday.
Dsomepeopledon’tneedsomuchsleep.
第二篇 Mind-readingMachine
AteamofresearchersinCaliforniahasdevelopedawaytopredictwhatkindsofobjectspeoplearelookingatbyscanningwhat'shappeningintheirbrains.
Whenyoulookatsomething,youreyessendasignalaboutthatobjecttoyourbrain.Differentregionsofthebrainprocesstheinformationyoureyessend.Cellsinyourbraincalledneuronsareresponsibleforthisprocessing.
ThefMRI(functionalMagneticResonanceImaging)brainscanscouldgenerallymatchelectricalactivityinthebraintothebasicshapeofapicturethatsomeonewaslookingat.
Likecellsanywhereelseinyourbody,activeneuronsuseoxygen.Bloodbringsoxygentotheneurons,andthemoreactiveaneuronis,themoreoxygenitwillconsume.Themoreactivearegionofthebrain,themoreactiveitsneurons,andinturn,themorebloodwilltraveltothatregion.AndbyusingfMRI,scientistscanvisualizewhichpartsofthebrainreceivemoreoxygen-richblood--andtherefore,whichpartsareworkingtoprocessinformation.
AnfMRImachineisadevicethatscansthebrainandmeasureschangesinbloodflowtothebrain.Thetechnologyshowsresearchershowbrainactivitychangeswhenapersonthinks,looksatsomething,orcarriesoutanactivitylikespeakingorreading.Byhighlightingtheareasofthebrainatworkwhenapersonlooksatdifferentimages,fMRImayhelpscientistsdeterminespecificpatternsofbrainactivityassociatedwithdifferentkindsofimages.
TheCaliforniaresearcherstestedbrainactivitybyhavingtwovolunteersviewhundredsofpicturesofeverydayobjects,likepeople,animals,andfruits.ThescientistsusedanfMRImachinetorecordthevolunteers'brainactivitywitheachphotographtheylookedat.Differentobjectscauseddifferentregionsofthevolunteers'brainstolightuponthescan,indicatingactivity.Thescientistsusedthisinformationtobuildamodeltopredicthowthebrainmightrespondtoanyimagetheeyessee.
Inasecondtest,thescientistsaskedthevolunteerstolookat120newpictures.Likebefore,their