Unit3ScienceversusnatureThehealthproblemsaboutclonedanimals，particularlythosewhoappearhealthybuthavehiddenillnessesorproblemsthatappearunexpectedlylaterinlife，havethepotentialtocauserealriskstothesafetyofthefoodproductsfromthoseanimals.IanWilmut，aleadscientistinvolvedinthecreationofDolly，thefirstclonedanimal，haswarnedthatevensmallimbalancesinaclone’shormone，protein，orfatlevelscouldbringitsmilkormeatintodanger.Aspartofitsriskassessmentonanimalcloning，theFoodandDrugAdministration(FDA)concludedthatmilkandmeatfromclonedanimalsandtheiroffspring(后代)wereassafetoeatasproductsfromconventionalanimals.TheFDAfurtherannouncedthatitwouldnotrequirefoodproductsfromclonedanimalsortheiroffspringtobelabeledassuch.ConsumerwatchdoggroupspointedoutthattheFDA’sanalysiswasbasedonlimiteddatasuppliedmainlyfromthecloningcompaniesthemselves.Inaddition，whilefoodsafetyisanobviousconcernofconsumers，itisnottheonlyissuethatmakespeopleuncomfortablewithanimalcloning.Forexample，surveysindicatethat63percentofconsumerswouldnotbuyfoodfromclonedanimalsevenifitwaslabeledas“safe”．Concernsaboutthemoralityofcloning，aswellasconcernsforanimalwelfare，leadabigmajorityofpeopletoopposecloninganimalsforfood.However，theseissueswerenotconsideredbytheFDA.Withoutlabelstoidentifyclonedfoods，consumerswhoopposeanimalcloningwouldbeforcedtomakepurchasesagainsttheirprincipleswithoutknowing.Consumershavetherighttoknowhowtheirfoodisproducedsotheycanmakeinformeddecisionsaboutwhattheybuyandwhattheyfeedtheirfamilies.根据上文判断正(T)误(F)1．IanWilmut’sattitudetowardsfoodproductsfromclonedanimalsiscautious.(T)2．Fromthelastparagraphwecanlearnthatmostconsumersdidn’tbelievewhattheFDAsaid.(T)3．Themainideaofthetextisaboutconcernsforanimalwelfare.(F)PeriodOneWelcometotheunit&Reading—Prereading匹配左边的单词与右边的汉语意思[第一组]1．cloneA．vt.收养，领养；采用，采纳2．exactB．n.意图，目的；企图3．intentionC．vt.克隆；n.克隆出来的动物或植物4．anxietyD．n.忧虑，焦虑，不安5．adoptE．adj.精确的，准确的答案1.C2.E3.B4.D5.A[第二组]6．legalA．n.胚胎7．embryoB．n.(生物的)组织；纸巾8．tissueC．n.怪物9．monsterD．adj.法律许可的，合法的10．fellowE．n.男子，家伙；同事，同类答案6.D7.A8.B9.C10.E[第三组]11．crimeA．vt.&vi.收割(庄稼)；n.收获；收成12．conceptB．vt.使改变外观或性质(尤指向好的方向)；使改变形态13．transformC．n.结果，后果14．harvestD．n.概念；观念15．consequenceE．n.罪，罪行答案11.E12.D13.B14.A15.C[第四组]16．physicianA．n.女售货员，女推销员17．reallifeB．n.细胞；小隔间；电池18．cellC．n.山羊19．saleswomanD．adj.真实的，现实生活中的20．goatE．n.医师；内科医生答案16.E17.D18.B19.A20.C1．Whatisthemainideaofthispassage?A．Itisaboutthedebatewhetherweshouldclonehumanbeingsamongpeople.B．Cloningisproducinganexactcopyofaplantorananimalusingitscells.C．IanWilmutisshockedthatsomescientistsarenowconsideringcloninghumanbeings.D．OppositeopinionsofPaulineCarterandColinJakeonthe“Theperfectcopy”．答案A2．Judgethefollowingstatementstrue(T)orfalse(F)．(1)Somescientistspointoutthatifyoucloneanembryo，youcanproducevaluablehumantissues.(T)(2)Cloningcanproduceananimalwithoutusingitscells.(F)(3)ThescientistwhocreatedDollyhasalreadycreatedacopyofhuman.(F)(4)Cloningcanhelpthosewhoareunabletohavechildren.(T)(5)Cloninghascreatedmorediseasesinthehumanworld.(F)1．Whenandwherewastheworld’sfirstmammalDollycloned?A．OnChristmasDay2001inJapan.B．I...
