高中英语 unit2 cloningreading课件 新人教版选修8.ppt

unit2cloning dollythesheepanditsbaby clonedrabbit 克隆的荧光小猪 左 和正常小猪 右 克隆马及其 母亲兼姐姐 reading iscanning writetheletter t ifthestatementistrue write f ifitisfalse 1 cloningmeansmakingacopyofananimaloraplant 2 gardenerscanmakealotofmoneybycloningplants 3 cloninganimalsisascomplicatedascloningplants f f t 4 dollythesheepwasthefirstsuccessfulcloneofamammal5 naturalcloneshappeninanimalsaswellasinplants t t 1 itcanbeinferredfromthepassagethataclonedanimal a usuallylivesaslongastheoriginaloneb usuallyliveslongerthantheoriginalonec usuallylivesshorterthantheoriginaloned isusuallyashealthyastheoriginalone reading 2 whichstatementisnottrue a cloningissomethingthathasbeendevelopedquiterecently b twinsthatlookexactlythesameareoriginallyfromthesameegg c cloningisusedbygardenerstomakemoremoney d animalcloningismuchmoredifficultthanplantcloning 3 thecloningofdollythesheepsucceededbecause a itseasiertocloneasheepthanotheranimalsb thescientistsweredeterminedandworkedhardwithpatiencec thescientistswererewardedandgotlotsofmoneyd manyotherattemptstoclonemammalsfailed 4 thelambisthecloneofthecellfromsheepbecause a itprovidestheeggcellb itgivesbirthtothelambc itprovidesthenucleusd itisafemalesheep 5 thesheepthatdonatedthesomaticcellmostprobablylived years a 3b 6c 9d 12 carefulreading readtheletteragain thentrytofindthemainideaofeachparagraph 1 cloningis 2 cloninghas uses 3 the ofdolly 4 the ofdolly 5 itis toclonehumanbeings awayofmakinganexactcopyofanotheranimalandplant problems twomajor effect forbidden problemsordangersofcloning 1 animalclonesmaydeveloptheillnessesofolderanimals 2 animalclonesmaydieyoungerthanthedonoranimals 3 evilleadersmaywanttoclonethemselves 4 therearemoralobjectionstocloninghumanbeings advantagesofcloning medicalcloningcouldproducecuresforseriousillnessesinhumans 2 cloningplantscanproduceplantsofsimilarqualityforsale 3 cloningplantscanbeusefulforresearchonnewplantspecies 4 cloningcanhelpsaveendangeredanimals 意大利狂人医生 安蒂诺里