2019版高考英语一轮复习 选训习题 模块1 unit 2 growing pains 牛津译林版必修1

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1、Unit2Growingpains一、阅读理解Anewstudyhasfoundtheamountofantibioticsgiventofarmanimalsisexpectedtoincreasebytwo­thirdsoverthenext15years.Researchersarelinkingthegrowingdependenceonthedrugstorisingdemandformeat,milkandeggs.Theresearcherswarnthedrugscouldquicke

2、nthedevelopmentofantibiotics­resistant(耐抗生素的)infections.SuchinfectionsarealreadyamajorpublichealthconcernintheUnitedStates.   Expertssaywhenpeoplestoplivinginpoverty,thefirstthingtheywanttodoiseatbetter,ratherthanearnmoremoney.Formostpeople,thatmeansthe

3、irdietshouldcontainmoremeat.IncreasingprosperityinAsiahasmeantpeoplethereareeatingnearlyfourtimesasmuchmeat,milkanddairyproductsastheydid50yearsago.   Tomeetthatdemand,farmshaveputmanyanimalsintosmallerspaces.Astheanimalsarecrowdedtogether,oftentheeasiestwa

4、ytodealwithsomeoftheproblemsofcrowdingistogivethemantibiotics.It’sclearthatantibioticshelpanimalsstayhealthyinacrowdedenvironmentandgrowfaster.Butbacteriacandevelopresistancetothedrugsgradually,andtheantibiotics-resistantbacteriacanspreadtopeople.   Doctors

5、findthatantibioticsthatonceworkedagainsttheinfectionsnolongerdo.Thebacteriahavelearnedwaystofightthemedicine.Doctorssaytheheavyuseofantibioticsinanimalsisoneofseveralreasonsforthegrowthofantibioticresistanceworldwide.IntheUnitedStates,atleasttwomillionpeopl

6、egetdrug-resistantinfectionseachyear.Atleast23,000diefromaninfection.   RamananLaxminarayanheadstheCenterforDiseaseDynamics,EconomicsandPolicy.Hesaystheproblemisexpectedtogetworse.Hebelievestheuseofantibioticsinanimalswillsoonincreasesharply.Hesaysthatwilln

7、otbegoodforhumanhealth.Heandotherresearcherswroteareportonthestudy,whichwaspublishedintheProceedingsofthe NationalAcademyofSciences.TheyuseddatafromtheUnitedNationsthattellhowandwherelivestock(牲畜)areraisedtoday.Theythenpredictedhowsuchproductionwouldchangeb

8、y2030.   Europehasbannedtheuseofantibioticstoincreaseanimalgrowth.AndsheaddstheUnitedStatesishopingtopersuadefarmerstostopusingantibioticsforthatpurpose.1.Whatisthepassagemainlyabout?A.Howtokeepfarmani