英语四级阅读理解训练集(40篇)!
Thatfoodisrelatedtoillnessisntoanewdiscovery.In1945,about35yearsago,governmentresearchersrealizedthatnitrates,commonlyusedtopreservecolorinmeats,andotherfoodadditivies,causedcancer.Yet,thesecarcinogenicadditivesremaininourfood,anditbecomesmoredifficultallthetimetoknowwhichthingsonthepackaginglabelsofprocessedfoodarehelpfulorharmful.Theadditiveswhichweeatarenotallsodirect.Farmersoftengivepenicillintobeefandlivinganimals,andbecauseofthis,penicillinhasbeenfoundinthemilkoftreatedcow.Sometimessimilardrugsaregiventoanimalsnotformedicalpurposes,butforfinancialreasons.Thefarmersaresimplytryingtofattentheanimalsinordertoobtainahigherpriceonthemarket.AlthoughtheFoodandDrugAdministration(FDA)hastriedrepeatedlytocontroltheseprocedures,thepracticescontinue.
1.Whatisthebestpossibletitleofthepassage?
a.DrugandFood
b.CancerandHealth
c.FoodandHealth
d.HealthandDrug
2.WhichofthefollowingstatementsisNOTture?
a.Drugsarealwaysgiventoanimalsformedicalreasons
b.Someoftheadditivesinourfoodareaddedtothefooditselfandsomearegiventothelivinganimals
c.Researchershaveknownaboutthepotentialdangersoffoodadditivesforoverthirty-fiveyears.
d.Foodmaycausefortypercentofcancerinworld.
3.Howhassciencedonesomethingharmfultomankind?
a.Becauseofscience,diseasescausedbypollutedfoodhavenbeenvirtuallyeliminated.
b.Ithascausedalackofinformationconcerningthevalueoffood.
c.Becauseoftheapplicationofscience,somepotentiallyharmfulsubstanceshavebeenaddedtofood.
d.Thescientistshavepreservedthecolorofmeats,butnotofvegetables.
4.Whatarenitratesusedfor?
a.Theypreserveflavorinpackagedfoods.
b.Theypreservethecolorofmeats.
c.Theyaretheobjectsofresearch.
d.Theycausetheanimalstobecomefatter.
5.Theword'carcinogenic'mostnearlymeans'_____'.
a.trouble-making
b.color-retaining
c.money-making
d.cancer-causing
答案：cacbd
大学英语四级阅读理解试题40篇之六（含答案）
Asthepaceoflifecontinuestoincrease,wearefastlosingtheartofrelaxation.Onceyouareinthehabitofrushingthroughlift,beingonthegofrommorningtillnight,itishardtoslowdown.Butrelaxationisessentialforahealthymindandbody.
Stressisannaturalpartofeverydayliftandthereisnowaytoavoidit.Infact,itisnotthebadthingitisoftensupposedtobe.Acertainamountofstressisvitaltoprovidemotivationadngivepurposetolife.Itisonlywhenthestressgetsoutofcontrolthatitcanleadtopoorperformanceandillhealth.
Theamountofstressapersoncanwithstanddependsverymuchontheindividual.Somepeoplearenotafraidofstress,andsuchcharactersareobviouslyprimematerialformanagerialresponsibilities.Othersloseheartatthefirstsignsofunusualdifficulties.Whenexposedtostress,inwhateverform,wereactbothchemicallyandphysically.Infactwemakechoicebetween"fight"or"flight"andinmoreprimitivedaysthechoicemadethedifferencebetweenlifeordeath.Thecriseswemeettodayareunlikelytobesoextreme,buthoweverlittlethestress,itinvolvesthesameresponse.Itiswhensuchareactionlastslong,throughcontinuedexposuretostress,thathealthbecomesendangered.Suchseriousconditionsashighbloodpressureandheartdiseasehaveestablishedlinkswithstress.Sincewecannotremovestressfromourlives(itwouldbeunwisetodosoevenifwecould),weneedtofindwaystodealwithit.
