• 2022-06-06
    Practice1
    IfchiefexecutivesofleadingU.S.agri-biotechcompanieshavebeensufferingfromheartburnlately,itisn’tbecauseofanythingthey’vebeeneating.Rather,it’stheunsettlingknowledgethatlong-simmeringEuropeananxietiesovergeneticallymodified(g.m.)crops,likeocean-hoppingviruses,arespreadingacrosstheworld.
    UnlikeBritons,whoseconcernsaboutwhattheyeathavebeenontheriseeversince“madcowdisease”(eventhoughithadnothingtodowithgeneticengineering),Americanshaveseemedindifferenttog.m.foods.Iffoodmakerscannolongercountonthepublic’sunquestioningacceptanceoftheirproducts,it’snotjustbecauseofactivisttheatricsandshrillagitprop.Withbillionsofdollarsatrisk,thebiotechindustryhasbeguntofightback,formingcorporatealliancesandlaunchingamajorp.r.effortthatincludeslobbying,newresearcheffortstostillpublicfearsandTV,radioandnewspaperads.Sofar,theregulatorshaveapproveddozensofgeneticallymodifiedplantsforhumanconsumption.Butifpublicpressuregrows,itmaybeforcedtogoslowerinthefuture.Onepossibility:theFDAcouldbeginapplyingtog.m.foodsthepowersitalreadyhastoregulatefoodadditives.Byoverreactingtofearsfannedbywell-fedconsumersintheindustrializedworld,foodproducersmightuprootanindustrythatcouldsomedayprovidebillionsofpeopleintherestoftheworldwithcropstheydesperatelyneed.
  • 【参考译文】如果近期美国主要生物农业公司主管心烦意乱,绝不是因为他们进食不当,而是不安地发现长期以来欧洲对于转基因作物的恐惧和跨越大西洋的病毒一样正在全世界传播。自从“疯牛病”爆发后,尽管疯牛病和转基因技术毫无关联,英国人对于食品却越来越感到担忧。美国人则不同,他们对于转基因食品似乎没有兴趣。食品商不能确保公众会毫无疑虑地接受其产品,原因不仅在于激进分子虚张声势,宣传鼓动。生物科技行业投入数十亿美元进行反击,组织企业联盟,利用媒体大造声势,游说疏通,进行研究,以消除公众的恐惧心理,同时在电视广播和报纸上通过广告进行宣传。迄今为止,立法者认可了数十种转基因食品可供人类食用。如果公众施加的压力加大,立法进程不得不放缓。一种可能性是食品药品管理局会把治理食品添加剂的力度用于转基因食品上。工业社会的消费者衣食无忧,如果对于他们煽动起来的恐慌作出过度反应,食品生产商就可能使这种新兴产业走上绝路,而这本来可能使几十亿其他地区的人民得到迫切需要的农作物。

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      细胞周期包括( ) 两个主要时期。[br][/br][br][/br][br][/br] A: G和G2期 B: 间期和M期 C: 间期和S期 D: M期和G期

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      Passage41<br/>It’snotthatweareafraidofseeinghimstumble,ofscribblingamustacheoverhiscareer.Sure,thenicepartofuswantsMiketoknowweappreciatehim,thathestillreigns,atleastinourmemory.Thetruth,though,isthatwedon’twanthimtocomebackbecauseevenforMichaelJordan,thiswouldbeanactofhubrissomonumentalastomakehistrademarkconfidencetwistintoconceit.Wedon’twanthimbackonthecourtbecausenoonelikesashow-off.Thestumbling?Thatwillbefun.<br/><alone></alone>Butwearenicepeople,weAmericans,with225yearsofoptimismatourbacks.DaysagowhenM.J.saidhehadmadeadecisionaboutreturningtotheNBAinSeptember,wegotexcited.Hehadsaidthedaybefore,“Ilookforwardtoplaying,andhopefullyIcangettothatpointwhereIcanmakethatdecision.It’sO.K.,tohavesomedoubt,andit’sO.K.tohavesomenervousness.”ATime/CNNpolllastweekhasAmericans,2to1,sayingtheywouldlikehimonthecourtASAP.Andonly21percentthoughtthatifhecamebackandjustcompletelybombed,itwoulddamagehislegend.Infactonly28percentthinkathletesshouldretireattheirpeak.<br/><alone></alone>SourcesclosetohimtellTimethatwhenJordanfirsttalkedaboutacomebackwiththeWashingtonWizards,theteamJordanco-ownsandwouldplayfor,someofhistrustedadvisersprivatelytriedtodiscouragehim.“Buttheysayiftheytrytostophim,itwillonlyfirmuphisresolve,”saysanNBAsource.<br/><alone></alone>TheproblemwithJordan’sreturnisnotonlythathecan’tpossiblyliveuptothestorybookendinghegaveupin1998—earninghissixthringwithalast-secondchampionship-winningshot.Theproblemisthatthemotivesforcomingback—needingtheattention,needingtoplayevenwhenhis38-year-oldbodydoesnot—violatetheverymythofJordan,themythofabsolutecontrol.BabeRuth,the20thcentury’sfirststar,wasagustoffatbravadoanddrunkentalent,whileJordanendedthecenturybyprovingtheeleganceofresolve;Babe’spointingtothebleachersreplacedbythecharmofabackpedalingshouldershrug.Jordansymbolizedsuccessbynotsullyinghisbrandwithhispolitics,hisopinionorsuperstarpersonality.TobeaJordanfanwastobeafanofclassinessandconfidence.<br/><alone></alone>TocomebackwhenheknowsthatplayingforWizardswon’tgethimanywherenearthesecondroundoftheplay-offs,whenheknowsthathewon’tbetheleaguescoringleader,that’salossofcontrol.<br/><alone></alone>Jordandoesnotcarewhatwethink.Friendssaythathetakesarticlesthattellhimnottocomebackandtacksthemallonhisrefrigeratorasinspiration.Sowhybotherwritingsomethingtellinghimnottocomeback?HeisstillMichaelJordan.

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      有以下程序[br][/br]#include <stdio.h>[br][/br]main()[br][/br]{ int i=1,m=1;[br][/br]for(i=1;i<3;i++)[br][/br]{ for(j=3,j>0;j--)[br][/br]{ if(i*j>3) break;[br][/br]m*=i*j;[br][/br]}[br][/br]}[br][/br]printf("m=%d\n",m);[br][/br]}[br][/br]程序运行后的输出结果是( )。[br][/br] A: m=6 B: m=2 C: m=4 D: m=3

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      — I'm sorry I'm calling you so late.[br][/br] — _______ okay.[br][/br][br][/br] [br][/br] A: This is B: You're C: That's D: I'm

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      在细胞动力学中,细胞周期分为以下4期 A: G,S,G,M B: G,S,G,M C: G,S,S,M D: G,S,M,M E: G,S,G,M