2019-2020学年高中英语 Module 5 Cloning Section Ⅰ知能演练轻松闯关

-1-Module5CloningSectionⅠⅠ阅读理解AAmongallthefastgrowingscienceandtechnology,theresearchofhumangenes,orbiologicalengineeringaspeoplecallit,isdrawingmoreandmoreattentionnow.Sometimesitisahottopicdiscussedbypeople.Thegreatestthingthatgenetechnologycandoiscureseriousdiseasesthatdoctorsatpresentcanalmostdonothingwith,suchascancerandheartdisease.Everyyear,millionsofpeoplearemurderedbythesetwokillers.Andtodate,doctorshavenotfoundaneffectivewaytocurethem.Butifthegenetechnologyisapplied,notonlythesetwodiseasescanbecuredcompletely,bringinghappinessandmorelivingdaystothepatients,butalsothegreatamountofmoneypeoplespendoncuringtheirdiseasescanbesaved,thereforeitbenefitstheeconomyaswell.Inaddition,humanlifespan(寿命)canbeprolonged.Genetechnologycanhelppeopletogivebirthtomorehealthyandcleverchildren.Somefamilies,withtheEnglishimperial(皇家的)familybeingagoodexample,havehereditarydiseases.Thismeanstheirchildrenwillforsurehavethefamilydiseases,whichisagreattroubleforthesefamilies.Inthepast,doctorscoulddonothingabouthereditarydiseases.Butgenetechnologycansolvethisproblemperfectly.Scientistsjustneedtofindthewronggeneandcorrectit,andahealthychildwillbeborn.Somepeopleareworryingthatthegeneresearchcanbeusedtomanufacturehumanbeingsinlargequantities.Inthepastfewyears,scientistshavesucceededincloningasheep,thereforethesepeoplepredictthathumanbabieswouldsoonbecloned.ButIbelieveclonedbabieswillnotcomeoutinlargequantities,formostcouplesintheworldcanhavebabiesinverynormalways.Ofcourse,thegovernmentmusttakecaretocontrolgenetechnology.【解题导语】本文介绍了基因技术带来的好处。1．Whatdoes“them”inthesecondparagraphreferto?-2-A．Peoplewithcancerorheartdisease.B．Millionsofpeoplewithseriousdiseases.C．Somediseasesdoctorscandonothingwith.D．Thetwoillnessesofcancerandheartdisease.D解析：代词指代题。根据上文“suchascancerandheartdisease”可知答案为D。2．WhatcangenetechnologydoaccordingtoParagraph3?A．ItcanhelptheEnglishimperialfamilyout.B．Itcanbeusedtoclonehumanbabies.C．Itcanhelppeopletogivebirthtoababy.D．Itislikelytotreathereditarydiseases.D解析：推理判断题。通读第三段可知本段是关于基因被应用于治疗家族遗传病。3．Whatarepeopleworriedaboutaccordingtothepassage?A．Humanbabiesmaybeclonedinalargescale.B．Healthyhumanbabieswillsoonbecloned.C．Scientistsmaywellfindthewronggenes.D．Thegovernmentmaynotcontrolgenetechs.A解析：细节理解题。根据最后一段首句“Somepeopleareworryingthatthegeneresearchcanbeusedtomanufacturehumanbeingsinlargequantities.”可知，人们担心人类婴儿可能被大规模克隆。4．Thispassageismainlywrittento________．A．showgenetechnologywillbenefitpeopleB．showgenetechnologywilldoharmaswellC．tellthatgenetechnologyisahottopicD．tellthatgenetechnologyisgrowingfastA解析：主旨大意题。通读全文可知，本文主要讲述基因技术对人类的好处。BSmokingisharmful.Butassoonasyouquitthehabit,everythingwillbeOK,right?Wrong.Newresearchhasfoundthatevenifyougiveupsmoking,thedamageithasdonetoyourgenes(基因)willstaythereforamuchlongertime.Intheresearch,ateamofUSscientistsstudiedthebloodof16，000people.Amongthem,someweresmokers,someusedtosmoke,andtherestwerenon­smokers.Scientistscomparedtheirgenesandfoundthatmorethan7，000genesofsmokershadchanged—anumberthatisone­third-3-ofknownhumangenes.AccordingtoNBCNews,bothheartdiseaseandcancerarecausedbygeneticchanges.Somepeoplemayhavehadthechangeswhentheywereborn,butmostpeoplegetthemintheirday­to­dayliveswhiledoingthingslikesmoking.Whenyoustopsmoking,alotofthesegeneswillreturntonormalwithinfiveyears.Thismeansyourbodyistryingtoheal(治愈)itselfoftheharmfuleffectsofsmoking.Butthechangesinsomeofthegenesstayforlonger.Theycanstayforaslongas30years.It’salmostlikeleavingafootprintonwetcement(水泥)—itwillalwaysbethere,evenwhenyou’vewalkedawayandwhenthecementbecomesdry.Althoughthestudyresultsmaymakepeopleunhappy,thereisabrightside：thefindingscouldhelpscientistsinventmedicinetotreatgeneticdamagecausedbysmokingorfindwaystotellwhichpeoplehaveheartdiseaseorcancerrisks.【解题导语】新的调查研究发现，由于吸烟而引起的基因突变在戒烟后并不会马上消失，而是会在体内保留一段时间，这些基因突变大部分会在五年内恢复正常，但有一些甚至三十年都不会恢复。5．ThefunctionofParagraph1isto________．A．showthemainideaofthepassageB．giveanexampleC．makeanargumentD．introducethetopicofthepassageD解析：篇章结构题。第一段提出了这样一个问题：“吸烟是有害的，但是只要你戒烟，一切都会恢复正常，对吗？”第二段给出了回答，接着下文便从一些调查研究的结果开始解释这个问题。文章围绕这一问题展开，所以第一段的作用是引出本文的主题。故选D。6．Mostgeneticchangeshappenbecauseof________．A．people’sconditionatbirthB．people’sbadlivinghabitsC．environmentalpollutionD．heartdiseaseandcancerB解析：细节理解题。根据第三段第二句可知，一些人的基因突变是生下来就有的，但大部分人的基因突变是由于日复一日地做一些(有害身体的)事，比如吸烟，而积累下来的。故选B。7．Theunderlinedword“it”inParagraph5refersto________．A．thegeneticchange-4-B．thecementC．theharmfuleffectD．thefootprintD解析：代词指代题。根据画线词所在句可知，这就像在水泥上留下的脚印——即使你走开，即使水泥变干的时候，脚印将一直留在那里。故it指代“脚印”。8．WhichofthefollowingstatementsisTRUE?A．Thefindingsarethefruitofmorethanthreeyears’research.B．Thefindingshavepreventedmorepeoplefromstartingsmoking.C．Thefindingshelptofindcuresforgeneticdamagecausedbysmoking.D．Thefindingsofferevidencethatadamagedgenecanhealitself.C解析：推理判断题。根据最后一段的“thefindingscouldhelpscientistsinventmedicinetotreatgeneticdamagecausedbysmoking”可知，这些发现有助于科学家发明用于治疗由于吸烟引起的基因破坏的药物。故选C。Ⅱ完形填空Thetouristbuswindeditswayintoamountainousarea.Whenitwas__1__tomakeaturn,twopassengers—a__2__ofyounglovers—weresoattractedbythebea