欢迎来到天天文库
浏览记录
ID:53860905
大小:66.37 KB
页数:12页
时间:2020-04-09
《2019版高考英语一轮复习选训习题模块1Unit2Growingpains牛津译林版.docx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unit2Growingpains一、阅读理解Anewstudyhasfoundtheamountofantibioticsgiventofarmanimalsisexpectedtoincreasebytwothirdsoverthenext15years.Researchersarelinkingthegrowingdependenceonthedrugstorisingdemandformeat,milkandeggs.Theresearcherswarnthedrugscouldquickenthede
2、velopmentofantibioticsresistant(耐抗生素的)infections.SuchinfectionsarealreadyamajorpublichealthconcernintheUnitedStates. Expertssaywhenpeoplestoplivinginpoverty,thefirstthingtheywanttodoiseatbetter,ratherthanearnmoremoney.Formostpeople,thatmeanstheirdietshould
3、containmoremeat.IncreasingprosperityinAsiahasmeantpeoplethereareeatingnearlyfourtimesasmuchmeat,milkanddairyproductsastheydid50yearsago. Tomeetthatdemand,farmshaveputmanyanimalsintosmallerspaces.Astheanimalsarecrowdedtogether,oftentheeasiestwaytodealwithsomeoft
4、heproblemsofcrowdingistogivethemantibiotics.It’sclearthatantibioticshelpanimalsstayhealthyinacrowdedenvironmentandgrowfaster.Butbacteriacandevelopresistancetothedrugsgradually,andtheantibiotics-resistantbacteriacanspreadtopeople. Doctorsfindthatantibioticsthato
5、nceworkedagainsttheinfectionsnolongerdo.Thebacteriahavelearnedwaystofightthemedicine.Doctorssaytheheavyuseofantibioticsinanimalsisoneofseveralreasonsforthegrowthofantibioticresistanceworldwide.IntheUnitedStates,atleasttwomillionpeoplegetdrug-resistantinfectionsea
6、chyear.Atleast23,000diefromaninfection. RamananLaxminarayanheadstheCenterforDiseaseDynamics,EconomicsandPolicy.Hesaystheproblemisexpectedtogetworse.Hebelievestheuseofantibioticsinanimalswillsoonincreasesharply.Hesaysthatwillnotbegoodforhumanhealth.Heandotherres
7、earcherswroteareportonthestudy,whichwaspublishedintheProceedingsofthe NationalAcademyofSciences.TheyuseddatafromtheUnitedNationsthattellhowandwherelivestock(牲畜)areraisedtoday.Theythenpredictedhowsuchproductionwouldchangeby2030. Europehasbannedtheuseofantibiotic
8、stoincreaseanimalgrowth.AndsheaddstheUnitedStatesishopingtopersuadefarmerstostopusingantibioticsforthatpurpose.1.Whatisthepassagemainlyabout?A.Howtokeepfarmani
此文档下载收益归作者所有