2022年河海大學(xué)自考英語（二）練習(xí)題（附答案解析） (一)

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2022年河海大學(xué)自考英語（二）練習(xí)題匯總（附答

案解析）

第1題【單選題】

【填句補文】Mexico'scurrentlackoffundsisalsopartlyduetooil.Thecountryhasrichoilfields

andafewyearsago,whenoilwasexpensive,MexicowassellinglargequantitiesofoiltotheUSA

andearningalotofmoney..However;thepriceofoilthendropped,andMexicohasbeen

leftowingenormoussumsofmoneyandwithnotenoughincomefromoilsalestopaybackthe

loans.

A、Butthoseruinsareindangerofbeingseriouslydamagedbypollution.

B、Scientistsestimatethataboutonemillimeterofstoneiswornawayeverytwelveyears.

C、Atothersthepaintedsurfacesinsidetemplesareliftingandflakingoffandthestoneisbeing

eatenaway.

D、Thegovernmentwasthereforeabletoborrowhugesumsofmoneyfrombanksaroundthe

world,thinkingtheywouldhavenoproblemrepayingtheirdebts.

【正確答案】D

第2題【單選題】

【閱讀理解】ThewithdrawalofNevada'sYuccaMountainasapotentialnuclear

wasterepositoryhasreopenedthedebateoverhowandwheretodisposeofspent

nuclearfuelandhigh-levelnuclearwaste.InanarticleintheJuly10issueofScience,

UniversityofMichigangeologistRodneyEwingandPrincetonUniversitynuclear

physicistFrankvonHippelarguethat,althoughfederalagenciesshouldset

standardsandissuelicensesfortheapprovalofnuclearfacilities,localcommunities

andstatesshouldhavethefinalapprovalonthesitingofthesefacilities.The

authorsproposethedevelopmentofmultiplesitesthatwouldservicetheregions

wherenuclearreactorsarelocated.Whichofthefollowingwordscanbest

substitutetheword“withdrawal“inthefirstparagraph

A、Retirement.

B.Canceling.

C、Replaced.

D、Disposal.

【正確答案】B

第3題【單選題】

［閱讀理解】Theproblemofleisureisnew.Untilveryrecenttimespeopleworked

eachdaytothelimitoftheirstrength.Ofcoursetherewerealwaysaprivilegedfew

whohadleisure;butmostmenhadtowork12,14,oreven16hoursaday,sixdays

aweek.Aslateas1840theaveragefactoryworkerlabored72hoursaweek.

“Sunuptosundown“wasthefarmer'sday,orasanotherphraseputsit,“fromcan

tocan't."Thephrase“fromcantocan't"means.

A、frombeginningtoend

B、frombirthtodeath

C、frommorningtonight

D、fromtimetotime

【正確答案】C

第4題【單選題】

【閱讀理解】Finally,manygreatplayerscomefromthesamekindofneighborhood

-apoor,crowedareawhereaboy'sdreamisnottobeadoctor,lawyer,or

businessman,buttobecomearich,famousathleteorentertainer.Forexample,

Liverpool,whichproducedtheBeetles,hadoneofthebestEnglishsoccer（英式足

球）teamsinrecentyears.Pelepracticedinthestreetwithaballmadeofrags.And

GeorgeBestlearnedthetricksthatmadehimfamousbybouncingtheballoffa

wallintheslumsofBelfast.AIIgreatplayershavealotincommon,butthatdoesn't

explainwhytheyaregreat.HundredsofboysplayedinthoseBrazilianstreets,but

onlyonebecamePele.Thegreatestplayersarebornwithsomeuniquequalitythat

setsthemapartfromalltheothers.lnthelastparagraphthestatement“…butonly

onebecamePelenindicatesthat.

A、Peleisthegreatestsoccerplayer.

B、thegreatestplayersarebornwithsomeuniquequality.

C、Pele'sbirthplacesetshimapartfromalltheothers.

D、thesuccessofasoccerplayerhaseverythingtodowiththefamilybackground.

【正確答案】B

第5題【單選題】

【閱讀理解】Wefindthatbrightchildrenarerarelyheldbackbymixed-ability

teaching.Onthecontrary,boththeirknowledgeandexperienceareenriched.We

feelthattherearemanydisadvantagesinstreamingpupils.Itdoesnottakeinto

accountthefactthatchildrendevelopatdifferentrates.Itcanhaveabadeffecton

boththebrightandthenot-so-brightchild.Afterall,itcanbequitediscouragingto

beatthebottomofthetopgradelTheauthor'sattitudetowards"mixed-ability

teaching"is.

A、critical

B、questioning

C、approving

D、objective

【正確答案】C

第6題【單選題】

［概括大意］Itisnotdifficulttothinkofothermessageswereceivethroughthemassmedia.Every

daywegethundredsofthem.Thinkaboutadvertisements,forexample.Weseeandhearthese

messagesalmosteverywherewego.Advertisementsareimportantmessages,eventhoughtheyare

sometimesannoying.Theyhelpuscompareandevaluateproducts.Themainideaofthisparagraph

is.

A.ImportanceoftheMassMedia

B、Media—MeanstoCommunicateMessages

C、AdvertisementsasImportantMessagesfromtheMassMedia

D、VariousMessagesOneMayReceiveEachDay

【正確答案】C

第7題【單選題】

【閱讀半U斷】Theattractionofcollectingsolarpowerinspaceisthealmostuninterruptedsunshine

availableingeosynchronous(與土也球司步的)orbit.Earth-basedsolarcells,bycontrast,canonly

collectsun-lightduringdaytimeandwhenskiesareclear.Space-basedsolarcellscouldcollectsolar

poweronlywhenskiesareclear.()

A、True

B、False

C、NotGiven

【正確答案】B

第8題【單選題】

【填句補文】Weallhaveourowncomfortfoods.Interestingly,theymayvaryaccordingtomoods

andgender.Onestudyfoundthathappypeopleseemtowanttoeatthingslikepizza,whilesad

peopleprefericecreamandcookies.Researchersalsofoundthatguysseemtoprefer

hot,homemadecomfortmeals,likesteaksandcasseroles.Girlsgoforchocolateandicecream.

A、Boredpeoplecravesalty,crunchythings,likechips.

B、Emotionaleatingpatternscanbelearned.

C、Don'tletemotionaleatingdisturbyourweight.

D、Butemotionaleatingcanbelinkedtopositivefeelingstoo.

【正確答案】A

第9題【單選題】

[填句補文]Theblackrobin（旅鴉）isoneoftheworld'srarestbirds.Itisasmall,wildbird,andit

livesonlyontheislandofLittleMangere,offthecoastofNewZealand.In1967therewereabout

fiftyblackrobinsthere;in1977therewerefewerthanten..

A、Thesearetheonlyblackrobinsleftintheworld.

BxThosethatfailtomeetthechallengeswilldisappearearly.

C、Bothrepresentordersintheclassificationoflife.

D、Detailedstudiesaregoingon,andapublicappealformoneyhasbeenmade.

【正確答案】A

第10題【單選題】

[2005.4]Thesatellitealsodemonstratedhowitcouldprovidehelptopeoplelivinginisolated

areaswhereisdifficult.

A、transportation

B、instruction

C^application

D、compensation

【正確答案】A

第11題【單選題】

［填句補文］ButBalistarlingsareonlyfoundinasmallareaontheislandofBaliinIndonesia.They

liveinthetallgrasslandsnearthecoast.Todaythereareonly14leftinthewildonasingle

reserve.Morethanhalfoftheirhabitatwasconvertedintofarmland,andforestplantation.Manyof

themwerecapturedandsoldaspets.

A、Weshouldtakemeasurestoprotectthem.

B、Balistarlingsareverybeautifulbirds.

C、Theygrowfastbecauseofaproteinrichdietofinsects.

D、In1984,therewereonly150birdsleftinthewild.

【正確答案】D

第12題【單選題】

【填句補文】Thebasictoolsforaninterviewarepaperandtwoorthreewell-sharpenedpencils.

Butkeepyournotebookorpaperoutofsightuntilyouneedit.There'snothinglesslikelytorelaxa

personthanthearrivalofsomeonewithanote-takingpad..Takeawhilejusttochat,

judgingwhatsortofpersonyou'redealingwith,gettinghimorhertotrustyou.

A、Thisfearisalmost100percentunnecessary.

B、Comebackanotherday;itwillgobetter.

C、Therestisinstinct,whichcanallbelearnedwithexperience.

D、Bothofyouneedtimetogettoknoweachother.

【正確答案】D

第13題【單選題】

[2004.10]Theythoughttheprogramwas___investigating.

A.worth

B、worthy

C、worthwhile

D、worthing

【正確答案】A

第14題【單選題】

【完成句子】Lackofsleepcanaffecteverythingfromouremotionstohowwellwefocusontasks

likedriving.Itcanaffectsportsperformance,increaseourchancesofgettingsick,andmaybelinked

toweightgaininsomepeople.You'veprobablynoticedhowmuchrunningaroundlittlekidsdo——

andhowsoundlytheysleep.Takeatipfromatoddlerandgetatleast60minutesofexerciseaday.

Physicalactivitycandecreasestressandhelppeoplefeelmorerelaxed.Justdon'tworkouttoo

closetobedtimebecauseexercisecanwakeyouupbeforeitslowsyoudown.Lackofsleepcan

increaseourchancesof.

A、feelmorerelaxed

B、wakingupinmiddlenight

C、gettingsick

D、WatchTVandsurfonline

【正確答案】C

第15題【單選題】

【填句補文】Whendopeopledecidewhetherornottheywanttobecomefriends?Duringtheir

firstfourminutestogether,accordingtoabookbyDr.LeonardZunin.Inhisbook,"Contact:Thefirst

fourminutes/'heoffersthisadvicetoanyoneinterestedinstartingnewfriendships:.A

lotofpeople'swholeliveswouldchangeiftheydidjustthat.

A.Thatisnotthetimetocomplanaboutone'shealthortomentionfaultsonefindsinother

people.

B、Everytimeyoumeetsomeoneinasocialsituation,givehimyourundividedattentionforfour

minutes.

C、Itisnotthetimetotellthewholetruthaboutone'sopinionsandimpressions.

D、Heiseagertomakefriendswitheveryone.

【正確答案】B

第16題【單選題】

【閱讀判斷】ElNinotendstodevelopbetweenAprilandJuneandreachesitspeakbetween

DecemberandFebruary.Thewarmingtendstolastbetween9and12monthsandoccurseverytwo

tosevenyears.lttakesabouteightmonthsforElNinotoreachitspeak.

A、True

B、False

C、NotGiven

【正確答案】A

第17題【單選題】

[2004.10]Jeandidn'thavetimetogototheconcertlastnightbecauseshewasbusyfor

theexamination.

A、toprepare

B、tobeprepared

C、preparing

D,beingpreparing

【正確答案】C

第18題【單選題】

[2004.04]Hecontinuedspeaking,regardlessmyfeelings.

A、in

B、of

C、on

D、about

【正確答案】B

第19題【單選題】

[閱讀理解】WritingforthecontentsitessuchastheYahoo!ContributorNetwork

alsointerestsme.I'vebeentryingcreativewriting,news,reviewsandnumerous

lifestyleissues.Andallofthesetopicshavebeenofmyownchoosing.Thenthereis

theopportunitytomeetotherwriters.TheYahoo!ContributorNetworkhasa

wonderfulin-housemessagingsystemthatallowsitswriterstocommunicateeasily

withoneanother.Notallyourtriesarerosyandeasywhenyouwriteforacontent

site,butyouwillgetmuchbenefitifyoutryit.WhatisthebenefitthattheYahoo!

ContributorNetworkoffersaccordingtotheauthor?

A、Youcanhaveallyourarticlespublished.

B、Youcangetalotofrewardsfromthesite.

C、Youcaneasilycommunicatewithotherwriters.

D,Youcanuseitsinformationandmessagesfree.

【正確答案】C

第20題【單選題】

【2004.04]HarryPotteristhemostinterestingbookIhaveeverread.

A、which

B、where

C、when

D、that

【正確答案】D

第21題【單選題】

Remember;nothinghurtsconcentrationreadingtooslowly.

A、ratherthan

B、aswellas

C>morethan

D、insteadof

【正確答案】C

第22題【單選題】

【閱讀理解】TheISUwon'tfinallyapprovethenewsystemuntilitmeetsinJune

butalreadyUKSport,theBritishGovernment'ssportsbody,hasexpressed

reservations."Iremaintobeconvincedthattherandomselectionsystemwould

offertheguaranteesthateveryoneconcernedwithethicalsportislookingfor",says

JerryBingham,UKSport'sheadofethics（倫理）.WhatdoesJerryBinghamexpress

bysaying"Iremaintobeconvinced"?

A、Hisanger.

B、Hiscriticism.

C、Hisagreement.

D、Hisdoubt.

【止確答案】D

第23題【單選題】

【填句補文】Weallhaveourowncomfortfoods.Interestingly,theymayvaryaccordingtomoods

andgender.Onestudyfoundthathappypeopleseemtowanttoeatthingslikepizza,whilesad

peopleprefericecreamandcookies.Researchersalsofoundthatguysseemtoprefer

hot,homemadecomfortmeals,likesteaksandcasseroles.Girlsgoforchocolateandicecream.

A、Boredpeoplecravesalty,crunchythings,likechips.

B、tmotionaleatingpatternscanbelearned.

C、Don'tletemotionaleatingdisturbyourweight.

D、Butemotionaleatingcanbelinkedtopositivefeelingstoo.

【正確答案】A

第24題【單選題】

【閱讀理解】Youplaythelottery（彩票）eachdayandtherearetwooptions（選

擇）:eitheryouhitthejackpotandyourlifechangesgreatlyoryouloseandyou

havetostartitfromtheverybeginning.Onthecontrary,it'swellknownthatifyou

don'ttakerisks,youcan'twin,sothebestsolutionisalwaystothinkoverandover

again,toseewhatyourdecisionscouldrepresentinyourfutureandonly

afterwardstomakeupyourmind.Whilemakingadecision,youareadvisedto

?

A、refertoyourexperience

B、thinktwicebeforeyouleap

C、turntoparents

D、preparetotakearisk

【正確答案】B

第25題【單選題】

【閱讀理解】YoungmusiciansinAfricancountriesarecreatinganewkindofpop

music.ThetunesandtherhythmsoftheirmusiccombineAfricantraditionswith

variousformsofmusicpopulartoday,suchaship-hop,rap,rock,jazz,orreggae.

Theresultismusicthatmaysoundfamiliartolistenersanywhereintheworld,but

atthesametimeisdistinctlyAfrican.ItisdifferentalsoinanotherwayManyofthe

songsareveryseriousandtheydealwithimportantsocialorpoliticalissuesin

Africatoday.ThispassageisabouthowAfricanpopmusicis.

A、usuallyaboutloveandromance

B、moreseriousthanmostpopmusic

C、popularwithyoungpeopleinAfrica

D、mostlywrittenjustforentertainment

【正確答案】B

第26題【單選題】

[2005.4]Inonetypeoflaboratorytestallthevariablesonearecontrolled.

A、by

B、and

C、but

D、or

【正確答案】C

第27題【單選題】

【閱讀理解】Parentsandkidstodaydressalike,listentothesamemusic,andare

friends.Isthisagoodthing?Sometimes,whenMr.Ballmerandhis16-year-old

daughter;Elizabeth,listentorockmusictogetherandtalkaboutinterestsboth

enjoy,suchaspopculture,heremembershismoredistantrelationshipwithhis

parentswhenhewasateenager."lwouldneverhavesaidtomymom,'Hey,the

newWeezeralbumisreallygreat.Howdoyoulikeit?"'saysBallmer./zTherewas

justacompletegapintaste."Musicwasnottheonlygulf.Fromclothingand

hairstylestoactivitiesandexpectations,earliergenerationsofparentsandchildren

oftenappearedtomoveinseparateorbits.Theword"gulf"mostprobablymeans

A、interest

B、distance

C、hope

D、separation

【正確答案】D

第28題【單選題】

[2005.10]I'mafraidnothingIcandoaboutit.

A、itis

B、thisis

C^thereis

D、thatis

【正確答案】C

第29題【單選題】

[概括大意]Whenaconsumerfindsthatanitemsheorheboughtisfaultyorinsomewaydoes

notliveuptothemanufacturer'sclaimforit,thefirststepistopresentthewarranty（保單），orany

otherrecordswhichmighthelp,atthestoreofpurchase.Inmostcases,thisactionwillproduce

results.However,ifitdoesnot,therearevariousmeanstheconsumermayusetogainsatisfaction.

Themainideaofthisparagraphis.

A、Inperson

B、PoliteConsumers

C、ShowRecords

D、StoreManager

【正確答案】C

第30題【單選題】

【閱讀理解】Somepeopletoldmethatitwastoolate.SometoldmethatIwastoo

old.OtherstoldmethatIwouldneverbeabletopullitoff.Ihadtoworkfulltime

andtakecareofmyson.ButinsideIwastoldsomethingdifferent.Theunderlined

sentence“ButinsideIwastoldsomethingdifferent*'inthepassageprobablymeans

*

A、whatotherstoldherwasnottrue

B、someonetoldhersomethingdifferent

C、theauthorwouldhaveadifferentlifeifshetried

D、theauthordecidedtoreturntoschoolforacollegedegree

【正確答案】D

第31題【單選題】

［概括大意］Theyalwayscomplained（抱怨）moreorlessjustly,thattheirparentsareoutoftouch

withmodernways.Theyalsoblamedthattheirparentsalwayshaveafinalsay.Andtheyoungfelt

thattheirparentsdonottrusttheirchildrentodealwithcrises.Besides,theydissatisfiedtoomuch

murmursoftheirparentsaboutcertainproblemsandthelackofsenseofhumorindealingwiththe

problems,atleastinparents-childrenrelationships.Themainideaofthisparagraphis.

A、Thecriticismstotheirparentscanbekeptoutoftheyoungpeople'smindinfollowingways.

B、Itisnaturalforyoungpeopletobecriticaloftheirparentsattimesandtoblamethemfor

mostofthemisunderstandingbetweenthem.

C、Therearesomanycriticismtotheirparentsamongtheyoungpeople.

D、Youngpeoplehavegottenenoughreasonstocriticizetheirparents.

【正確答案】C

第32題【單選題】

[2005.10]Whenhewasyoung,heusedtospendhistimecollectingstamps.

A、smart

B、special

C、solid

D、spare

【正確答案】D

第33題【單選題】

【閱讀判斷】Thefirstprincipleisthatpeoplearemorelikelytofollowsomeonewhoissimilarto

themthansomeonewhoisnot.Wisemanagers,then,askpeerstohelpmaketheircases.Second,

peoplearemorewillingtocooperatewiththosewhoarenotonlylikethembutwholikethem,as

well.Q:Peoplearemorelikelytocooperatewiththosewholikethem.

A、True

B、False

C、NotGiven

【正確答案】A

第34題【單選題】

［填句補文］TheweatheroftheCaribbeanSeaisalmostalwayswarmandsunny.Sandybeaches

linethecoastsofmanyislands..Manytouristsarriveoncruiseships.

A、TheyareCuba,PuertoRico,Jamaica,andHispaniola.

B、TheCaribbeanIslandsareknownbyseveralnames.

C、Someoftheseislandsarenomorethantinyslivers（小片）ofexposedcoral.

D、Thisiswhymillionsoftouristsvisittheislandseachyear.

【正確答案】D

第35題【單選題】

TheAtlanticOceanisoneoftheoceansthatseparatetheoldworldthenew.

A、in

B、away

C、to

D、from

【正確答案】D

第36題【單選題】

【閱讀理解】Ithadbeenboringhangingaboutthehotelallafternoon.Theroad

crewwereplayingagamewithdollarnotes.Foldingthemintosmallplanestosee

whosewouldflythefurthest.Havingnothingbettertodo,Ijoinedinandwonfive,

andthentooktheopportunitytoescapewithmyprofit.Despitetheevil-looking

clouds,Ihadtogetoutforawhile.Whydidthewriterwanttoleavethehotel

A、Toenjoythegoodweather.

B、Tohaveachangeofscene.

C、Tospendallhiswinnings.

D、Togetawayfromthecrew.

【正確答案】B

第37題【單選題】

【閱讀理解】TwoUnitedNationsagencieswarnedonTuesdaythatchildrenare

mostatriskofdevelopingskincancersasaresultofthelong-termdeclineinthe

earth'sprotectiveozonelayer.Theagencies,theWorldHealthOrganization(WHO)

andtheUNEnvironmentalProgramme(UNEP),issuedthewarningasthey

launchedaglobalprogrammeaimedatalertingschoolstothedangersofexposure

tothesun.Whydoestheriskofdevelopingskincancersinchildrenbecomegreater

andgreater

A、Becausetheypaylittleattentiontotheirskinhealth.

B、Becausetheyareshortofphysicaltraining.

C、Becausetheearth'sprotectiveozonelayerdeclinesyearafteryear.

D、Becausetheearthisgettingwarmerandwarmer.

【正確答案】C

第38題【單選題】

【填句補文】Some20,000tonsofantibioticsareusedintheEuropeanUnionandtheUSeachyear.

Morethanhalfaregivetofarm—animalstopreventdiseaseandpromotegrowth..

A、ThewarningcomesfromaresearcherinSwitzerlandwholookedatlevelsofthedrugsinfarm

slurry.

B、Thedrugscouldbegettingintoourfoodandwater.

C、Manydrugsgiventohumansarealsoexcretedunchanged.

D、Butrecentresearchhasfoundadirectlinkbetweentheincreaseduseofthesefarmyard

drugsandtheappearanceofantibiotic—resistantbugsthatinfectpeople.

【正確答案】D

第39題【單選題】

［填句補文］MoreandmoreAmericansarelivingalone.Somelivealonebecauseofdivorceorthe

deathofapartner..AccordingtoarecentU.S.census（人口普查）,25percentofall

householdsintheU.S.aremadeupofjustoneperson.

A、Itseemsthatmanygrown-upstodayarerealizingthatchildhooddream.

B、Hesays,“Ilikebeingbymyself."

C、However,evenmorepeoplearelivingalonebecausetheyhavechosento.

D、There'smorepressuretogetmarriednowadays.

【正確答案】C

第40題【單選題】

［概括大意］"SpeedReading"coursesteachstudentshowtoreadmorequickly.Insuchcourses,

teachersoftenaskstudentstofindouthowmanywordsaminuteheisreading.Youcandothistoo:

lookatyourwatchevery5or10minutesandwritedownthepagenumberyouhavereached.The

mainideaofthisparagraphis.

A、CheckYourReadingSpeed

B、AWaytoIncreaseYourReadingSpeed

C、CheckYourUnderstanding

D、ReadSomethingEveryDay

【正確答案】A

第41題【單選題】

［閱讀理解】Heisaresoluteman.Oncehemakesuphismindtodosomething,he

won'tgiveituphalfway.Theword“resolute“means.

A、strong

B、firm

C、kind

D、clever

【正確答案】B

第42題【單選題】

［2004.10］Readaloud___allthestudentsintheclassroomcanhearyouclearly.

A、since

B.because

C、for

D,sothat

【正確答案】D

第43題【單選題】

【閱讀理解】Untilrecently,the"scienceofthefuture"wassupposedtobe

electronicsandartificialintelligence.Todayitseemsmoreandmorelikelythatthe

nextgreatbreakthroughsintechnologywillbebroughtthroughacombinationof

thosetwoscienceswithorganicchemistryandgeneticengineering.This

combinationisthescienceofbiotechnology.Accordingtothepassage,thescience

ofthefutureislikelytobe.

A、electronics

B、biotechnology

C、geneticengineering

D、nucleartechnology

【正確答案】B

第44題【單選題】

［概括大意iTheyalwayscomplained（抱怨）moreorlessjustly,thattheirparentsareoutoftouch

withmodernways.Theyalsoblamedthattheirparentsalwayshaveafinalsay.Andtheyoungfelt

thattheirparentsdonottrusttheirchildrentodealwithcrises.Besides,theydissatisfiedtoomuch

murmursoftheirparentsaboutcertainproblemsandthelackofsenseofhumorindealingwiththe

problems,atleastinparents-childrenrelationships.Themainideaofthisparagraphis.

A、Thecriticismstotheirparentscanbekeptoutoftheyoungpeople'smindinfollowingways.

B.Itisnaturalforyoungpeopletobecriticaloftheirparentsattimesandtoblamethemfor

mostofthemisunderstandingbetweenthem.

C、Therearesomanycriticismtotheirparentsamongtheyoungpeople.

D、Youngpeoplehavegottenenoughreasonstocriticizetheirparents.

【正確答案】C

第45題【單選題】

【閱讀理解】Mobilephonesshouldcarryalabeliftheyprovedtobeadangerous

sourceofradiation,accordingtoRobertBell,ascientist.Andnomoremobilephone

transmittertowers（發(fā)射塔）shouldbebuiltuntilthelong-termhealtheffectsof

theradiationtheyemit（放射）isscientificallyevaluated,hesaid."Nobodyzsgoing

todropdeadovernightbutweshouldbeaskingformorescientificinformation/'

RobertBellsaidataconferenceonthehealtheffectsoflow-levelradiation."If

mobilephonesarefoundtobedangerous,theyshouldcarryawarninglabeluntil

propershieldscanbedevised/'hesaid.AccordingtoRobertBell,ifmobilephones

provetobedangeroustopeople'shealth

A、theyshouldbebannedimmediately.

B、theuseofthemshouldberestricted.

C、alltransmittertowersshouldbetorndown.

D、awarninglabelshouldbeattached.

【正確答案】D

第46題【單選題】

Aplanwasmadelastyearseveralroadswouldbebuiltinthispartofthecity.

A、as

B、where

C、which

D、that

【正確答案】D

第47題【單選題】

【填句補文】Childrenthinkthatbeinggrownupmeansbeingabletodoexactlyastheyplease.

.Thechancetodiscoverwhetherthatfreedomisaswonderfulasitsoundsisachance

moreandmoreAmericansaretaking.

A、It'snowsociallyacceptable,evenfashionable,tolivealone.

B.Thenumberonereasongivenbymostpeopleforlivingaloneisthattheysimplyenjoydoing

whattheywantwhentheywanttodoit.

C、Livingaloneisaluxury.

D、Itseemsthatmanygrown-upstodayarerealizingthatchildhooddream.

【正確答案】D

第48題【單選題】

【閱讀理解】GyorgyBuzsakiofRutgersUniversityandhiscolleaguesanalyzedthe

brainwavesofsleepingratsandmice.Specifically,theyexaminedtheelectrical

activityemanatingfromthesomatosensoryneocortex(anareathatprocesses

sensoryinformation)andthehippocampus,whichisacenterforlearningand

memory.Thescientistsfoundthatoscillationsinbrainwavesfromthetworegions

appeartobeintertwined.So-calledsleepspindles(burstsofactivityfromthe

neocortex)werefollowedtensofmillisecondslaterbybeatsinthehippocampus

knownasripples.Theteampositsthatthisinterplaybetweenthetwobrainregions

isakeystepinmemoryconsolidation.Asecondstudy,alsopublishedonlinethis

weekbytheProceedingsoftheNationalAcademyofSciences,linksage-associated

memorydeclinetohighglucoselevels.Whatistheresultoftheexperimentwith

ratsandmicecarriedoutatRutgersUniversity

A、Theelectricalactivityisemanatingfromthesomatosensoryneocortex.

B.Oscillationsinbrainwavesarefromhippocampus.

C、Somatosensoryneocortexandhippocampusworktogetherinmemoryconsolidation.

D、Somatosensoryneocortexplaysitprimaryroleinmemoryconsoidation.

【正確答案】C

第49題【單選題】

【填句補文】Hehasalsoincludedsymbolstoshowwhichionsarenutrients,andwhichare

commoninsoilorwater..

A、TherehavebeenmanyattemptstoredesigntheperiodictablesinceDmitriMendeleevdrew

itupin1871.

B、Andthesizeofelement'ssymbolreflectshowmuchofitisfoundintheEarth/scrust.

C、Railsbackhasstillorderedtheelementsaccordingtothenumberofprotonstheyhave.

D、Raisbackhaslistedsomeelementsmorethanonce.

【正確答案】B

第50題【單選題】

【閱讀理解】Untilrecently,the"scienceofthefuture"wassupposedtobe

electronicsandartificialintelligence.Todayitseemsmoreandmorelikelythatthe

nextgreatbreakthroughsintechnologywillbebroughtthroughacombinationof

thosetwoscienceswithorganicchemistryandgeneticengineering.This

combinationisthescienceofbiotechnology.Accordingtothepassage,thescience

ofthefutureislikelytobe.

A、electronics

B.biotechnology

C、geneticengineering

D、nucleartechnology

【正確答案】B

第51題【單選題】

【填句補文】GangXiaoandBenSchragatBrownUniversity,visualizethecurrentbymeasuring

subtle（細微的）changesinthemagneticfieldofanobjectand.

A、toshrinkittothesizeofadesktopcomputer

B