高二英语阅读理解强化训练附解析Day 60.docx

高二英语阅读理解强化训练附解析Day 60.docx

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高二英语阅读理解强化训练附解析Day60

高二英语阅读理解强化训练附解析Day60

Passage1

Nowadaysmoreandmorepeoplearetalkingaboutgeneticallymodifiedfoods（GMfoods）.GMfoodsdevelopfromgeneticallymodifiedorganisms（有机体）,whichhavehadspecificchangesintroducedintotheirDNAbygeneticengineeringtechniques.Thesetechniquesaremuchmoreprecisewhereanorganismisexposedtochemicalstocreateanonspecificbutstablechange.Formanypeople,thehightechproductionraisesallkindsofenvironmental,ethical,healthandsafetyproblems.Particularlyincountrieswithlongfarmingtraditions,theideaseemsagainstnature.

Infact,GMfoodsarealreadyverymuchapartofourlives.Theywerefirstputonthemarketin1996.AthirdofthecornandmorethanhalfthecottongrownintheU.S.lastyearwastheproductofbiotechnology,accordingtotheDepartmentofAgriculture.Morethan65millionacresofgeneticallymodifiedcropswillbeplantedintheUSthisyear.Thegeneticgenieisoutofthebottle.

However,likeanynewproductenteringthefoodchain,GMfoodsmustbesubjectedtocarefultesting.Inwealthycountries,thedebateaboutbiotechisnotsofiercebythefactthattheyhavealargenumberoffoodstochoosefrom,andasupplythatgoesbeyondtheneeds.Indevelopingcountriesdesperatetofeedfastgrowingandunderfedpopulations,thematterissimplerandmuchmoreurgent:

dothebenefitsofbiotechoutweightherisks?

Thestatisticsonpopulationgrowthandhungeraredisturbing.Lastyeartheworld'spopulationreached6billion.TheUNstatesthatnearly800millionpeoplearoundtheworldareunhealthy.About400millionwomenofchildbearingagedon'thaveenoughiron,whichmeanstheirbabiesareexposedtovariousbirthdefeats.Asmanyas100millionchildrensufferfromvitaminAdeficiency,aleadingcauseofblindness.

Howcanbiotechhelp?

Geneticengineeringiswidelyusedtoproduceplantsandanimalswithbetternutritionalvalues.Biotechnologistshavedevelopedgeneticallymodifiedriceandtheyareworkingonotherkindsofnutritionallyimprovedcrops.Biotechcanalsoimprovefarmingproductivityinplaceswherefoodshortagesarecausedbycropdamageattributabletodrought,poorsoilandcropviruses.

1.Thepassagemainlytalksabout________.

A.theworld'sfoodproblem

B.thedevelopmentinbiotech

C.thegeneticallymodifiedfoods

D.thewaytosolvefoodshortages

2.Accordingtothepassage,GMfoods________.

A.willreplacenaturallygrownfoods

B.arefarbetterthannaturallygrownfoods

C.mayhelptosolvetheproblemofpoornutrition

D.cancauseserioustroubleindevelopingcountries

3.Theunderlinedsentence“Thegeneticgenieisoutofthebottle.”inParagraph2probablymeansthat________.

A.GMfoodsareavailableeverywhere

B.thetechnologyinproducingGMfoodsisadvanced

C.genetictechnologymayhaveuncontrollablepowers

D.genetictechnologyhascomeoutoflaboratoriesintomarkets

4.What'sthewriter'sattitudetowardsGMfoods?

A.Enthusiastic.B.Cautious.

C.Disapproving.D.Unbelievable.

Passage2

Foodexpertssaywashingcouldspreadthegermsonyourturkeyinthekitchensinkornearbyfood.Butit'sbeenachallengetryingtoconvincecookstostoprinsing（冲洗）offrawpoultry.Germsthatcanmakepeoplesickarecommoninthegutsofhealthypoultryandarelegallyallowedtobeonrawturkeyandchicken.Theassumptionisthatnobodyeatstheirpoultryraw,andthatthoroughcookingwillkillthebacteria.

Thedo-not-washrawpoultryadvicefromtheUSDAisrelativelynewandperhapshasn'tcaughtonbecauseitgoesagainstthecommonbeliefthatwashingmakesthingsclean,saidChapman.BenjaminChapman,astudyauthorandfoodsafetyexpertatNorthCarolinaStateUniversity,saidtheinstincttowashrawpoultrygoesbackatleastdecadeswhenpeoplereliedmoreonvisualcluestospotproblemswithpoultry.Meanwhile,washinghandsandsurfacesarealsoimportant.

Butfoodpreparationisacomplicatedact,andgermsfrompoultrycanbespreadevenifit'snotwashed,especiallywhenbirdsareremovedfrompackaging.

TheUSDA-fundedstudystressesthatpoint.ResearcherssprayedrawchickenwithaharmlessstrainofE.coli（大肠杆菌）andwatchedvolunteercooksattestkitchens.Amongthosewhowashedtheirrawchicken,aboutaquarterendedupspreadingthebacteriatotheirlettuce.Butevensomeofthosewhodidnotrinsethechickengotgermsonthelettuce.Andthereareotheropportunitiesforgermstosurviveonturkeys:

meltingandcooking.

Toensureabirdisthoroughlycooked,theysaytouseathermometertocheckthatthedeepestandthickestpartsofithavereached165degrees.Evenafterthemealiscooked,youaren'toutofthedangerzone.Tokeepturkeysandotherleftoverssafe,expertssaytheyshouldberefrigeratedaftertwohours.

1.Peopledon'tacceptUSDA'sadvicebecause_______.

A.theadviceisrelativelynew.

B.cookscleantheturkeybeforecookingit.

C.cleaningseemsmoretrustworthy.

D.heatcankillmostgermsandnooneeatsrawfood.

2.WhatcanbeconcludedfromParagraph4?

A.Foodpackagescarrygerms.

B.Germsfromaturkeycanbespreadwhetheritiswashedornot.

C.HandsandsurfacesareeasytogetEcoli.

D.Multiplemethodsshouldbeappliedtofoodtogetridofgerms.

3.Whichwaymayhelptocookaturkeysafely?

A.Rinseofftheturkeybeforeitisheated.

B.Keeptheturkeyawayfromthelettuceandrefrigerator.

C.Washhandsandpackagesbeforetakingouttheturkey.

D.Useathermometertocheckthetemperatureoftheturkey.

4.Fromwhichsectionofamagazineisthetextprobablytaken?

A.Cooking.

B.Technology.

C.Science.

D.Medicine.

Passage3

Youhavejustwonfivemillionyuaninalottery（彩票）—howwouldyouspendit?

Beforeyouknowit,tenminuteshadgoneondaydreaming.Thereisatimeandaplacefordaydreaming,butwedon'thavemuchcontroloverthat.Isn'titworryingthatanestimated30to50percentofourwakingtimeisspentdaydreaming?

Whatifyourdentistishavingthatlotterydaydreamwhileremovingyourrottentooth?

　　Somestudiessuggestdaydreamingmakesusunhappybecausewearenotfocusingonwhatisaroundusbutareinsteadthinkingaboutthepastorfuture.However,arecentstudypublishedinthejournalNeuropsychologicafindsthatmind-wanderingcanbeofbenefittous.Theresearchersmeasuredthebrainpatternsofmorethan100peopleusinganMRI（核磁共振成像）scanner.Thisdatawascomparedwithtestsoncreativeabilityandaquestionnaireonhowmuchtheirmindsusuallywandered.ThosewhosemindswanderedthemostscoredhigherincreativeabilitytestsandhadmoreefficientbrainsystemsmeasuredintheMRImachine.

　　Beingefficientatmind-wanderingmeansyoucanzoneoutandthennaturallytunebackinwithoutmissinganyimportantpointorstep.ChristineGodwin,theleadauthorofthelateststudyfromtheGeorgiaInstituteofTechnology,saysthatifyouarefocusingondifficulttasks,yourperformancewilldropifyourmindwanders,"Butwhentasksareeasy,peoplewhohavehighcognitiveabilitycanlettheirmindswanderbecauseitdoesnotaffecttheirperformance.Youmaybethinkingaboutupcominggoalsorproblem-solving.Thesearesomeofthepositivesidestomind-wandering."

　　Mind-wanderingcanvarybetweenbeingmorepracticalormoreemotional.Whatmind-wanderingseemstobebestat,researcherssay,iscomingupwithnewsolutionstooldproblems.So,it'snotalwaysawasteoftime!

1.Thefirstparagraphservesasa（n）________.

A.explanationB.introduction

C.commentD.background

2.ThestudypublishedinNeuropsychologicashowsthat________.

A.daydreamingmakesusunhappy

B.wearefocusingonthepastorfuture

C.mind-wanderingisrelatedtocreativeability

D.MRIscannerishelpfulinmeasuringthebrainpatterns

3.Whatdoestheunderlinedparagraph3mean?

________

A.GetdistractedB.Focuson

C.BeaffectedD.Havecontrol

4.Whatisthemainideaofthepassage?

________

A.Mind-wanderingmightbedangerous

B.Daydreamingmightbringbenefits

C.Mind-wanderingisnotawasteoftime

D.Daydreamingishardtobecontrolled

Passage4

　　AaronFotheringhamhasbeenanamazingpersonwithbackflips（后空翻）andotherskateboardingtricksthroughouthisteens.AndhisfamousbackfliphaswonworldwidenoticeintheformofRecord.Whydidhisparticularbackflipearnsuchareputation?

Aaronwasthefirstpersontosuccessfullyperformabackflipinawheelchair.

　　AaronwasbornillHehasbeeninawheelchairsincetheageof8.Sincethen,hehasevendevelopedanewextremesportinwhichwheelchair-bound

athletesusetheirchairslikeskateboardsorbikestodotricks.NowAaron'sfriendscallhim"Wheelz":

andhesaysit'shugepraise.

　　ThoughAaronmakeshisstunts（特技表演）lookeasy,doingtricksinawheelchairisverydifferentfromusingaskateboardorbike.It'sacompletelydifferentskillset.

　　IfaskateboardergoesintoabackfliplikeAaronsanddoesn'tstartoutwithenoughrotation（旋转）.heorshecanbendhisorherbodytospeedup.Thisallowsaskateboardertomakecompleterotationintimeforasuccessfullanding.ButAaroncan'tbendhisbodyanymorethanitisalready.

　　ThatmeansAaronhastohaveeverythingperfectbeforegoingintoabackflip.Heneedstolaunchhimselftojusttherightheight.Ifhedoesn't,hecouldfallonthegroundcompletely."MyrotationissoquickthatIdon'thavemuchtimetothink,"saysAaron.

　　Aaron'sstuntstakealotofpractice.Hetriestomakeittotheskateparkeverydaytoworkonhisbackflipandtryoutnewtricks.Eventhoughhe'sanexcellentathlete,Aarondoesn'talwayslandhisstuntsperfectly.ButAaronsayshedoesn'tletbad