unit2book8warmingup

Unit2Cloningwarmingupandspeaking DoyouenjoywatchingTVseries HaveyoueverseenJourneyToTheWest Whatisclone Clone Clone alsocalledreproduceasexually 无性生殖 繁殖 isthecreationofcellsorwholeanimalsusingDNAfromasingle parent withoutusingthenormalreproductive 有性生殖 process TheclonehasthesameDNAtotheparent What sclone clone Naturalclone Man madeclone Naturalcloneisonethatoccursfromthe parent inanaturalformofcloningwithouthumanhelp Man madecloneisonethatproducedthroughhumanintervention 介入 cactus strawberry twins pendulumorchid 吊兰 naturalcloningexamples Man madecloningexamples theimportanteventsincloninghistory In5000B C 谷物选种 HumanBeingsbegantochoosethebestseedsfromsomekindsofcrops Thatwasthebeginningofcontrollinglifeaccordingtohuman swill In1952 Cloningtadpole 克隆蝌蚪 TheAmericanscientistscreatedacopyoftadpolebymeansofusingatadpolecell Thistinytadpolehasbecomethefirstkindofcloninganimal In1978 Thefirstcaseoftubeinfant 试管婴儿 appeared ABritishdoctorusedthesperm 精液 ofamanandfertilized 受精 itinatesttube 试管 Thentransplanted 移植 theembryo 胚胎 intothewomb 子宫 ofahealthymother ThefirsttubeinfantcalledLouisappeared In1996 thefamoussheep Dolley wasclonedsuccessfully DolleyandtheFatherofDolley Lanwilmut 伊恩 威尔姆 In1998Aseriesofthingswerecloned ThescientistsinHawaiiUniversityclonedover50mice Someprivateinstitutions 协会 successfullyclonedlittleoxen In2002 thescientistsofA MUniversityinUSAhasbredthefirstclonedcatintheworld Nowadays Cloneddog mouse rabbit goat ox pigappeared Chinabecometheseventhcountrythathastheabilitytoclonepigs Chinahassucceededinusingembryonic 胚胎的 celltoclonemanyanimals TheEnd Thankyou Quiz NaturalcloneMan madeclone strawberry Isitnaturalcloneorman madeclone identicaldogs NaturalcloneMan made cactus twins TorFquestions1Clonecanbefrombothnaturalcloneandman madeclone 2Thesheep namedKittywasthefirstsuccessfulcloneofamammal 哺乳动物 T F 3Onlystrawberriesandcactus 仙人掌 arenaturalclones F 4SinceDolley researcherhaveclonedanumberoflargeandsmallanimalsincludinggoats cows mice pigs cats rabbitsanddogs 5Aparentcancloneachildwhoisdyingofaterminalillness 不治之症 T F Enjoyoneplay Background Amanhaslosthislefthand onedayhisfriendtellshimthenewsthatadoctorcantransplantonenewhandforhim Theplayhappenslikethis Guessing Whatwillthedoctorsayattheendoftheplay Iscloninggoodorbadforus AdvantagesDisadvantagesGroup1and2Group3and4 Mini Debate Areyouinterestedinthetopicofcloning Doyoubelievethatwewillhaveclonedhumansoon Doyouthinkaclonedhumanshouldhavehumanrights Doyousupportmedicalcloning Speaking InterviewaboutcloningSituation AreporterfromChinaDailyisinterviewingthreefamousscientistsabouttheiropinionsofcloning Doyouthinkitiswise What syo