Unit2Cloning2021/5/912021/5/92DollythesheepanditsbabyCloned

rabbit克隆的熒光小豬(左)和正常小豬(右)克隆馬及其“母親兼姐姐”2021/5/93Reading–IScanningWritetheletter“T”ifthestatementistrue.Write“F”ifitisfalse.1.Cloningmeansmakingacopyofananimaloraplant.2.Gardenerscanmakealotofmoneybycloningplants.3.Cloninganimalsisascomplicatedascloningplants.FFT2021/5/944.Dollythesheepwasthefirstsuccessfulcloneofamammal5.Naturalcloneshappeninanimalsaswellasinplants.TT2021/5/951.Itcanbeinferredfromthepassagethataclonedanimal_____.

A.usuallylivesaslongastheoriginalone

B.usuallyliveslongerthantheoriginalone

C.usuallylivesshorterthantheoriginalone

D.isusuallyashealthyastheoriginaloneReading2021/5/962.WhichstatementisNOTtrue?A.Cloningissomethingthathasbeendevelopedquiterecently.B.Twinsthatlookexactlythesameareoriginallyfromthesameegg.C.Cloningisusedbygardenerstomakemoremoney.D.Animalcloningismuchmoredifficultthanplantcloning.2021/5/973.ThecloningofDollythesheepsucceededbecause____.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed2021/5/984.Thelambisthecloneofthecellfromsheepbecause_____.A.itprovidestheeggcellB.itgivesbirthtothelambC.itprovidesthenucleusD.itisafemalesheep2021/5/995.Thesheepthatdonatedthesomaticcellmostprobablylived____years.A.3B.6C.9D.122021/5/910Carefulreading

Readtheletteragain,thentrytofindthemainideaofeachparagraph.1.Cloningis______________________________2.Cloninghas____________uses.3.The_________ofDolly.4.The________ofDolly.5.Itis__________toclonehumanbeings.

awayofmakinganexactcopyofanotheranimalandplant.problemstwomajoreffectforbidden2021/5/911Problemsordangersofcloning1.Animalclonesmaydeveloptheillnessesofolderanimals.2.Animalclonesmaydieyoungerthanthedonoranimals.

3.Evilleadersmaywanttoclonethemselves.4.Therearemoralobjectionstocloninghumanbeings.2021/5/912AdvantagesofcloningMedicalcloningcouldproducecuresforseriousillnessesinhumans.2.Cloningplantscanproduceplantsofsimilarqualityforsale.3.Cloningplantscanbeusefulforresearchonnewplantspecies.4.Cloningcanhelpsaveendangeredanimals.2021/5/913意大利狂人醫(yī)生:安蒂諾里冒死也要