职称英语考试理工类B级模拟题二.docx

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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

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