大学英语四级阅读理解模拟题

1、大学英语四级阅读理解模拟试题大学英语四级阅读理解模拟试题大学英语四级阅读理解模拟试题年大学英语四级阅读理解模拟试题年大学英语四级阅读理解模拟试题Thefoodweeatseemstohaveprofoundeffectsonourhealth.Althoughsciencehasmadeenormousstepsinmakingfoodmorefittoeat,ithas,atthesametime,mademanyfoodsunfittoeat.Someresearchhasshownthatperhapseightypercentofallhumanillnessesarerelatedt

2、odietandfortypercentofcancerisrelatedtothedietaswell,especiallycancerofthecolon.Differentculturesaremorelikelytocausecertaindifferentillnessesbecauseofthefoodthatischaracteristicinthesecultures.Thatfoodisrelatedtoillnessisntoanewdiscovery.In1945,about35yearsago,governmentresearchersrealizedthatnitra

3、tes,monlyusedtopreservecolorinmeats,andotherfoodadditivies,causedcancer.Yet,thesecarcinogenicadditivesremaininourfood,anditbeesmoredifficultAdministration(FDA)hastriedrepeatedlytocontroltheseprocedures,thepracticescontinue.1.Whatisthebestpossibletitleofthepassage?A.DrugandFoodB.CancerandHealthC.Food

4、andHealthD.HealthandDrugfooditselfandsomearegiventothelivinganimalsC.Researchershaveknownaboutthepotentialdangersoffoodadditivesforoverthirty-fiveyears.D.Foodmaycausefortypercentofcancerinworld.3.Howhassciencedonesomethingharmfultomankind?A.Becauseofscience,diseasescausedbypollutedfoodhavenbeenvirtu

5、allyeliminated.B.Ithascausedalackofinformationconcerningthevalueoffood.C.Becauseoftheapplicationofscience,somepotentiallyharmfulsubstanceshavebeenaddedtofood.D.Thescientistshavepreservedthecolorofmeats,butnotofvegetables.4.Whatarenitratesusedfor?A.Theypreserveflavorinpackagedfoods.B.Theypreservethec

6、olorofmeats.C.Theyaretheobjectsofresearch.D.Theycausetheanimalstobeefatter.5.Thewordcarcinogenicmostnearlymeans.A.trouble-makingB.color-retainingC.money-makingD.cancer-causingPersonalityis,tolargeextent,inherent-A-typeparentsusuallybringaboutA-typeoffspring.Buttheenvironmentmustalsohaveaprofoundeffe

7、ct,sinceifpetitionisimprotanttotheparents,itislikelytobeeamajorfactorlivesoftheirchildren.OneplacewherechildrensoakupAcharacteristicsisschool,whichis,byitsverynature,ahighlypetitiveinstitution.Toomanyschoolsadoptthewinatallcostsmoralstandardandmeasuretheirsuessbysportingachievements.Thecurrentpassio

8、nformakingchildrenpeteagainsttheirclassmatesoragainsttheclockproducesatwo-layersystem,inwhichpetitiveAtypesseeminsomewaybetterthantheirB-typefellows.Beingtookeentowincanhavedangerousconsequences:rememberthatPheidippides,thefirstmarathonrunner,droppeddeadsecondsaftersaying:Rejoice,weconquer!.Byfarthe

9、worstformofpetitioninschoolisthedisproportionateemphasisonexaminations.Itisarareschoolthatallowspupilstoconcentrateonthosethingstheydowell.Themeritsofpetitionbyexaminationaresomewhatquestionable,butpetitioninthecertainknowledgeoffailureispositivelyharmful.Obviously,itisneitherpracticalnordesirableth

10、atallAyoungsterschangeintoBs.Thewouldneedstypes,andschoolshaveanimportantdutytotrytofitachildspersonalitytohispossiblefutureemployment.Itistopmanagement.Aordingtotheauthor,whatfactorscontributetothebuildingofpersonality?A.inheritanceB.inheritance,petitionandenvironmentC.petitionD.environment2.Whichofthefollowingstatementsisnottrueaordingtotheauthorofthepassage?characteristics.D.Thestrongerdesireforwinning,thebetter.3.Thephrasesoakupisclosestinmeaningto.4.Whatattitudedoestheauthorholdtowardexaminationsinschools?5.whatsuggestiondoestheauthormakeconcerningthemanagementofschools?A.Allstudentsb