考研英语阅读理解翻译历年真题.docx

考研英语阅读理解翻译历年真题考研英语阅读理解翻译历年真题和所有的英语考试一样，考研英语中阅读题的分值最大。所以阅读是大家最重视的一个题型，下面是小编给大家准备的考研英语阅读理解及翻译的历年真题，欢迎大家阅读练习!“I'venevermetahumanworthcloning,”sayscloningexpertMarkWesthusinfromthecrampedconfinesofhislabatTexasA&MUniversity.“It'sastupidendeavor.”That'saninterestingchoiceofadjective,comingfromamanwhohasspentmillionsofdollarstryingtoclonea13-year-olddognamedMissy.Sofar,heandhisteamhavenotsucceeded,thoughtheyhaveclonedtwocalvesandexpecttocloneacatsoon.TheyjustmightsucceedincloningMissylaterthisyear—orperhapsnotforanotherfiveyears.Itseemsthereproductivesystemofman'sbestfriendisoneofthemysteriesofmodernscience.Westhusin'sexperiencewithcloninganimalsleaveshimvexedbyallthistalkofhumancloning.InthreeyearsofworkontheMissyplicityproject,usinghundredsuponhundredsofcanineeggs,theA&MteamhasproducedonlyadozenorsoembryoscarryingMissy'sDNA.Nonehavesurvivedthetransfertoasurrogatemother.Thewastageofeggsandthemanyspontaneouslyabortedfetusesmaybeacceptablewhenyou'redealingwithcatsorbulls,heargues,butnotwithhumans.“Cloningisincrediblyinefficient,andalsodangerous,”hesays.Evenso,dogcloningisacommercialopportunity,withaniceresearchpayoff.EversinceDollythesheepwasclonedin1997,Westhusin'sphoneatA&MCollegeofVeterinaryMedicinehasbeenringingbusily.CostisnoobstacleforcustomerslikeMissy'smysteriousowner,whowishestoremainunknowntoprotecthisprivacy.He'sploppeddown$3.7millionsofartofundtheresearchbecausehewantsatwintocarryonMissy?sfinequalitiesaftershedies.Butheknowsherclonemaynothavehertemperament.Inastatementofpurpose,Missy'sownerandtheA&Mteamsaytheyare“bothlookingforwardtostudyingthewaysthatherclonediffersfromMissy.”ThefateofthedogsampleswilldependonWesthusin'swork.Heknowsthatevenifhegetsadogviablypregnant,theoffspring,shouldtheysurvive,willfacetheproblemsshownatbirthbyotherclonedanimals:abnormalitieslikeimmaturelungsandheartandweightproblems.“Whywouldyoueverwanttoclonehumans,&r