Unit 2Cloningwarming up and speaking

unit2clonningwarmingupandsking，doyouenjoycwatchingingsvseries？ haveyyoueverseenjourneyothewest？ Whatisclone？ 克隆，克隆， alsocalledreproduceasexually (无性生殖/繁殖)，istheckreationofcellsorwholeanialsusingdnafromansingle parent withoutusingthenormalreproduct process.theclonehashesamednatootheparent . whatsthis、clone、Naturalclone、 man-made clone naturalcloniseonethatoccursfromthe parent inaturalformofcloningwithouthumhanhelp.man-maddecloneinsterthhhough strawberry，twins，pendulumorchid，naturalcloningexamples，Man-madecloningexamples， theimportingventsinloninghistory in 5000 b.c.(谷物筛选) humanbeingesbegatchoosethebestsedsfromsomeonkindsofcrops.thattwasthethebingofcontrollinglifeaccordingtohumanswill . in 1952:克隆表(克隆蝌蚪) theamericanscientistescreendacopyofftadpolebymeansofusingatadpolecell.thistinytadpolehasbecomethefirstkindofclonnimal . in 1978: thefirstcaseoftubeinefant (试管婴儿) appeared.abritishdoctorusesdthesperm (精液) ofamanandfertilized (受精) itinatestructtube (试管婴儿) Thentransplanted (移植) theembryo (胚胎) intothewomb (子宫) ofaheathymother.thefirttrustruttinfantrurallouisappeared .In1996， thefamiloussheep“dolley”wasclonedsuccessfully， dolleyyandthefatherfdolleyLAN Wilmut (伊恩威廉) in 1998 aseriesofthingswerecloned.thesicentistesinhawaiuniversityclonedover 50ice.someprvateinstitutes (协会) successfullyclonedlittles in 2002 thesicentsofamuniverityinusahasbredthefirstclonedcatintheworld .Nowadays:Cloneddog，mouse，rabbit，goat，ox， pig appeared.cinabecometeventhcountrthastchhhhahhhebilitytoclonepigs.cinahassaccecteddinsingmbryonic (胚胎的) celltoclonemanyanimals thanks .Quiz、NaturalcloneMan-madeclone、strawberry、identicaldogs、NaturalcloneMan-made、cactus、twins， torfsquestions1clonecanbefrombothnaturalcloneandman-mader clone.2 the sheep名称dkittywasthefirstsuccessfulclonefammal (哺乳动物).t，f， 3Onlystrawberriesandcactus (仙人掌) arenaturalclones .f，4 since dolley resetarcherhaveclonedanumberroflargeandsmalnialsincludingoats cats rabbitisanddogs.5 aparentcanclonealchidwhoisdyingofaterminalillness (不治之症) t，f，Enjoyoneplay， 后台： amanhaslosthislefthand onedayhisfriendtellshimthenewhatocorntransplantenewhandforhim . guess : willthedoctor Iscloninggoodorbadforus？ advantagesdisadvantagesgroup 1和2 group3and 4，Mini-Debate，areyouinterestedinthetopicofcloning？ doyoubelieethatwelhaveclonedhumansoon？ doyouthinkaclonedhumanshouldhavehumanlrights？ Doyousupportmedicalcloning？ Speaking，interviewaboutcloningsituation : areporterfromchinadailyisinterviewinghreefamoussintistsabouttheirpinionsofcloning whatsyouropi