Unit 3 Period One.docx

Unit3ScienceandnatureCloningextinctandendangeredspecies什么是克隆？克隆技术如何在生活中应用才能更好地为人类服务？文堂通过一些实例给出了答案。Cloning,ormoreprecisely,thereconstructionoffunctionalDNAfromextinctspecieshas,fordecades,beenadream.Tliebestcurrentcloningtechniqueshaveanaveragesuccessrateof9.4percent.Severaltissuebankshavecomeintoexistence,includingthe"FrozenZoo"attheSanDiegoZoo.tostorefrozentissuefromtheworld'srarestandmostendangeredspecies.In2019racownamedBessiegavebirthtoaclonedAsiangaur（亚洲白肢野牛），anendangeredspecies,butthecalfdiedaftertwodays.ln2019.abanteng（爪哇野牛）wassuccessfullyclonedfromathawedfrozenembryo.Tliesesuccessesprovidedhopethatsimilartechniquesmightbeusedtocloneextinctspecies.InJanUary2009»forthefirsttime,anextinctanimal»thePyreneanibex（阿尔卑斯山的野山羊）wascloned,attheCentreofFoodTechnologyandResearchofAragon,usingthepreservedfrozencellnucleusoftheskinsamplesfrom2（）19anddo11）esticgoaleggcells.TheibexdiedshortlyafterbirthduetophysicaldefectsinitsIungs.RcscarchcrsarcalsoconsideringcloningendangeredspeciessuchasthegiantpandaandCheetah（猎豹）.In2019,geneticistsattheAustralianMuseumannouncedthattheyhadrcplicalcd（M）DNAoftheIhylacine（袋狼），atthetimeextinctforabout65years,usingpolymerasechainreaciion（聚合fi链式反应）.ScientistsattheUniVCniiIyofNewcastleandUniversityofNewSouthWalesannouncedinMarch2019thattheveryrecentlyextinctgastricb11xlingfrog（胃育蛙）wouldbethesubjectofacloningattempttoresurrect（登活）hespecies.词海拾贝eintoexistence成立2 .givcbirthto生产；生育3 .beusedto被用于4 .forthefirsttime首次：第一次5 .dueto由于：因为6 .suchas例如7 .atthetime在那时8 .attempttodosth企图做某事PeriodOneWelcometotheunit&ReadingI.单词自测.”.克隆：.克隆出来的动物或植物1.1 1.（生物的）组织；纸巾迎儿问题：争端：发行3 .rcaITifCaa直立的,现实生活中的Iik二Ij拴“吹逼真的，活灵活现的4 .cxactadj.确的，精确的exactly加精确I也,精确地5.iNeniion”意图,目的：企图intend”八准备,急欲6 .anxiey几忧虑,焦虑，担忧nitHs”少焦虑的7 .adop收养,领养:接受，接受adax也适应;改编8 .!fi!”办法律许可的，合法的legally<"E介法地9 .Dhysician.内科疾牛:医师SUrgCOn.外科医生dentist儿牙科医生IOconsequence".结果,后果ConSCqUCntadj.随之而来的，作为结果的COnSeqUenUyad.>此，所以I1.haNCSI”&式.收割（庄稼）：”.收获；收成1!.transforma使变更外观或性质（尤指向好的方向）：使变更形态13 .conce.概念:观念14 .crimc.罪,罪行11短语默写IQnIhCOnehand.onIhCOlhCrhand.方面另方面2 .ngeneral总体上来说3 .concentrateOn集中精力于，聚精会神于4 .showrecift>r对表示敬意5 .pushaheadwith义无反顾地进行，努力推动6 .toywith戏弄，摆布；把当作儿戏7 .forsale待售，供出t8 .inagreementwith和看法一样9 eacross偶然发觉，遇见10 .takeaway带走：消退，解除阅读清障announce。/.宣布，宣告，通知anKHnccmcni宣告，通告，通知donekMi"克隆儿克隆出来的动物或植物（§Jembry"embrIao/JH3）ontheonehand一方面POintout指出IiSSuCrlUu:/M生物的）组纵:纸巾beusedIOdO被用来做Ontheotherhand另一方面5K介词短语includingsomescientists=somescientistsincluded.IoyWith戏弄，撰布：把当作儿戏inthisWay用这种方式reaUife/'ri:。门aIf/的.真实的,现实生活中的monster/monsiMM.怪物OnOnCwthCwaytodoingsth意为“某事即将发生”，Io为介词，后接名词、代词或动名词（短语）。exacl9,碇kt<M.精确的，精确的CXaCUya加.精确地：精确地gWsel/儿细胞：小隔间：电池现在分词短语在句中作方式状语.mammal/'InXInI/.哺乳动物山efirs+”.+odo表示"第一个/批做的人/物”.假如名词前有theflN/sccond或next等表示次序的词或形容词的比较级或最高级修饰，则常用动诃不定式作其后置定语。XIheSheeP作Dolly的同位语。normal”.&“正常的，常规的：常态，一般水平Ieadto导致ingeneral般来说，总体而言SCOUiShrSkDdj加噂苏格兰的SCoI".苏格兰人SCOUand.苏格兰岫。引导定语从句，修饰先行词IanWilmutoXalihough引导让步状语从句。imenion"n'ienjnn.意图，目的:企图Hnzeada也代替，反而insteadOf代替concentrateon（留意力等）集中在EXthat弓I导定语从句，修饰先行词newtissuesandorganse,©withtheintentionOf带着的意图：目的是shownorespectfor对不敬亚respect.&u.敬肃，敬出eventhough即使,尽管anxiety/an/zaloW”.忧虑，焦虑，担忧6saleSWOmanrSellzwoman/”.女格货,女推销员Xevenihough引导让步状语从句:a41yearoldsaleswoman是FayeWiison的同位语，who引导定语从句。anxious，"。.渴望的，急迫的beanxioustodos(h湖望做某事ofone'sown届于某人自己的adop1.3dopta收养，领养：接受，接受Xif引导虚拟条件句，此处表示与现在事实相反的状况。WhilCCO切.尽管法律许可的，合法的illegal。币.非法的(=unlawful)©pushaheadwith义无反顾地进行，努力推动访ordertoproduce作目的状语,>ItalianTtaHlon/MA意大利的他意大利人：意大利i吾ItaIy.意大利PhySiCianfn'zlJn/'.医师：内科医生®focus.On集中于usWdlas也，又，和一样succeed成胜利succeedindoingSlh胜利地做某事Ogoatgtzj.llXinwhich弓I导定语从句，修饰Ways,inwhich可换成that或省略不用。®benefit”有利于，使受益次.得利.利益,好处原文呈现TheperfectcopyScientistshaveannouncedthattheyhaveclonedIhCfirsthumanembryo.Thishascausedmuchdebateroundtheworld.Ontheonehand，somescientistspointoutthatifyoucloneanembryo,youcanproducevaluablehumantissues-suchasboneorlungtissue-thatcouldbeusedtosavehumanlivcs.0ntheotherhand,manypeople,includingqhilSCienIits,disagreeandareafraidthat,ifmankindtoyswithnatureinthiswaywemaybeonnWaYoprkcingJcal-Iik'FJankenWKin3iDonsl"Cloningisproducinganexactccopyofaplantorananimal向itscells1.TlieJjrslInjnininlIObCCIOnCdSuCCCbSfUlIyfromanadultcellwasDolIy山CShCCPShewasbornin2019anddiedinearly2019»atamuchyoungeragethannormal.Whenshewasborn.manypeoplewereworriedthatcloningwouldleadto1moredijveajvesintheanimalworld.However,ingeneral1thescientistswerepraisedfortheirwonderfulscientificadvance.IanWilmut>theScottishscientistWhOCrCalCdDully,isshockedthatsomeWiCnliSlSarcnowconsideringcloninghumanbeings.AlIhaUghh*J¾GKdftHg,hisintention*hasneverbeentocreatecopiesofIwmansJns