还剩6页未读，继续阅读
文本内容:
《》同步练习Section ATopic TalkLesson1
一、基础巩固I.单词拼写l.The teamfrom theUK werethe firstto successfully（克隆）an animal.
1.1was alsoin thedesert,where,for the first time,I rodea（骆驼）.
1.2t seasy totell a（山羊）from sheep.
4.The policethink thevideotape mayhold somevital（线索）to theidentity of the killer.
5.Many patientsare notgetting themedical（治疗）they need.
6.You have already madegreat progressin your（生物）.
7.（哺孚L动物）are animalssuch asdogs,lions,and whales.
8.She hadto facethe factthat herlife hadchanged（永远）.
9.1volunteer inhigh schoolsand speakto themabout（生殖的）health.lO.Laughter isone of the mostinfectious expressionsof（情感）.n.单句语法填空（）
1.The editof themagazine isa smartyoung man.（）
2.Most peoplelook betterunder artificiallylight thanin brightsunlight.（）
3.The twinwere separatedat birthand broughtup inentirely differentenvironments.（）
4.It isdifficult to make acompare withher previousbook,because theyare completelydifferent.（）
5.While thetwo areonly daysapart inage theyseem to belong towhole differentgenerations.（）
6.You vedone somuch work,so weall believeyou rebound passthe exam.（）
7.They agreedto gomere becausethey weregetting paidfor it.（）
8.Every daythe newspaperstell storiesof childrenworldwide whoare abuse.
9.It sblessing thatnobody wasin thehouse at the time.lO.We caninfer hisexpression thathe isfrustrated.Ill.完成句子.班上每个同学都有能力通过这次考试1Every studentin theclass passingthe exam..他们一直在讨论如何突破食品安全技术壁垒2They have been discussingabout howto______________________________________________of foodsafety..你能临摹出一幅与这幅画一模一样的画吗？3Can youof thispicture.和世界上其他地方的人相比，他们生活得相当好4They wereliving ratherwell,people elsewherein theworld..一个人接受的教育必定会决定其世界观的形成5Your educationyour worldview.
6.明天他是否参加那个舞会，没有人知道________he willtake partin theball ornot.w.课文语法填空Cloning is the processof makingan exact copy ofa plantor animaland developingit naturallyor artificially.In1996,Dolly,
1.sheep,was thefirst successfullyclonedanimal.
2.grow normallyat first,she developedan illnessmore normallyfound inmuch olderanimalsso that she livedfor sixand ahalf years,only halfthe lifeof thesheep from
3.she wascloned.Chinese scientists
4.announce thecloning oftwo long-tailed monkeys,Zhong Zhongand HuaHua,which werethefirst-ever primatesto havebeen clonedin January
2018.
5.compare withotherspecies,cloning primateshas provedtobe“much harder“and doingso withnon-reproductive cellswas even
6.complicated.So harddid theChinese teamdirected byDr.Sun Qiangwork tobreak thetechnicalbarrier that they couldget animalswith editedgenes andproduce animalmodels helpingmedicalresearch andhuman health.Cloning continuesto be an issuecausing agreat dealof
7.disagree andprovoking strongemotions.
8.some peopleare concernedabout isthat it s boundto lead to cloning of otherspecies andthe9ethic questionscloning raises.Also peopleworry thatsome organisationsmay abusethetechnology forunethical purposes.However,researchers insistthat thescience ofcloning
10.explore andadvanced.
二、能力提升V.阅读理解With rapidadvances inmedical science,cloning isslowly butsurely lookinglike it could beinour nearfuture.However,is itreally anoption thatshould beconsidered as a wayto extend humanlifeReproductive cloning may helphuman familiesgain children,but theres alsoa benefitfor theanimalworld.lt bringshope topeople eagerfor childrenbut unableto havetheir ownor adopt.lt canalso bring about the recreation of species that havelong sincedied,allowing scientiststo fullystudythe species asa living creature instead of simply lookingat imagesor bones.Many believethat cloning can be used to replace failing organs.This willreduce thewaiting listfororgan donationsand allowmore peopletobesaved.Not onlythat,but becausethe organis,infact,your ownorgan,there wouldbe lesschance ofrejection.Cloning couldprove helpfulin geneticresearch.Using cloningtechnologies,geneticresearchers would have abetter understandingofthecomposition ofgenes andthe effectsof geneticconstituents（成分）on humancharacters.There salso thepossibility ofchanginggeneticconstituents incloned humans,and cloningcould helpfight geneticdiseases.While thecloningofbody organscan helpextendhumanlife,it couldalso causea lotofmalpractices（不立常彳亍为）.Along withthe abilityto clonedesired characters,there could be thepossibilityof peopledeliberately reproducingundesired characters.This couldlead to a riseinmalpractices withinsociety.Cloning involvesa processof creatingidentical genes.As such,there wouldbe alack ofdiversityin humankind.Scientists believethis lackof diversitywill lowerthe humanrace sabilityto adapt.Whatever yourview oncloningmaybe,studies showthat theclone wouldin factnot becompletelyidentical to the originaljust astwins arenot completelyidentical.Though theymightlook alike,twins havedifferent personalitiesand enjoydifferent things.The samecould besaid ofclones.Even ifthe technologyis createdin whichyour memoriesand thoughtscouldbetransmitted（传送）to theclone,your clone would stillbeadifferent person.
1.What goodmight reproductivecloning bringA.It mayhelp improvehuman well-being.B.It couldcontribute tothe risingbirthrate.C.It couldhelp animalssurvive deadlydiseases.D.It mayenable scientiststo betterstudy extinctspecies.
2.According tothe text,cloning canalso beused for.A.organ transplantB.solving theaging problemC.infectious diseasetreatment D.constructing agene database
3.What sone problemcloning maycauseA.Great diversity.B.Individual securityrisk.C.Increased improperconduct.D.Serious personalitydisorder.
4.Why aretwins mentionedin thelast paragraphA.To stresstwins similarities.B.To showtwins arequite common.C.To carryout deeperresearch ontwins.D.To betterillustrate whata clonewill belike.BWhen BarbraStreisand saidthatshed hadher dogcloned for$50,000,many peoplelearned forthefirst timethat copyingpets andother animalswas areal business.The storythat gavepeople causefor concern,though,came outa fewdays later.lt wasaboutMonni Must,a Michiganphotographer whopaid to have BillyBean cloned,a Labradorthat hadbelongedto heroldest daughter,Miya.Miya died10years earlier.To Must,cloning theelderly dogwasa wayto keepher daughters memoryalive.Alarm bellswent offin myhead.Must wasnt justcloning apet.She was trying topreserve alostchild.lt seemedawfully closeto areal human cloning scenario,one inwhich aheartbrokenparent triesto replacea sonor daughterwho diesearly.I shota questionat Jose Cibelli,an animalcloning scientistat MichiganState University:Is ittime to worry about humancloning againCibelliquickly emailedback:Yes.”I metCibelli15years ago,when Iwas amonga groupof journalistscovering cloningnonstop.Back then,it seemedpossible thatsomeone mighttry tocopy ahuman beingat anymoment.There wasan Italian doctor namedAntinori whosaid hewastrying.But humancloning neverhappened.The reasonis clear.In manyanimals,only onein100cloned embryosever leadsto alive birth.Of thosethat arebom,a fewsuffer fromabnormalities（畸形）and quicklydie.Creating ahuman cloneisn tonly aquestion oftechnology.You dalso needareason to do it,experts willingto help,and someoneto fundit all.I finallyasked Mustif shewouldhaveMiya clonedif shed hadthe chance.She saidit snot aquestion she has an answerto.When youhaveachild whodies,you arenot ina placetomakearational（理智的）decision,she says.
5.How didthe authorfeel afterknowing Must s storyA.He feltrelieved.B.He wasworried.C.He tookpity onher.D.He secretlyadmired her.
6.What dowe knowabout humancloning15years agoA.It receivedthe publics attention.B.It wassupported byJoseCibelli.C.It wasseldom coveredby reporters.D.It wasfirst triedby anItaliandoctor.
7.What doesParagraph6mainly focusonA.Why cloned embryos aredifficult topreserve.B.How thetechnology ofcloning isdeveloped.C.Why humancloning ischallenging.D.How animalsare cloned.
8.What isMustsattitude towardcloning herdead daughterA.She hasno idea.B.She isuninterested.C.She thinksit isirrational.D.She islooking forwardto it.VI.七选五Many hearendlessly howgood exerciseis forour health,but youmight besurprised toknowjust howgood.1It helpsyou breathe better.Frequent exerciseimproves thevolume ofoxygen you can usein your body.This iswhatmakes youfit andthe benefitsaren tlimited tosport.2Attending someprofessional coursescanbuild corestrength andimprove shape,and sostrengthen breathingmuscles.Physical activityenhances your mental health.Doing somethingactive releases“happy“brain chemicalsthat makeyou morepositive.Themore youdo it,thebetteryou11feel.But youdo needto workup asweat.If youve hada badday,treat yourselftoalittle bitof exercise.3The wayyour guts内脏feel oftenimpacts onyourmentaland physicalhealth.Walking,running andyoga strengthenabdominal腹部的muscles,increase theheart rateandencourage yourmuscles tomove digestivewaste throughyourbodymore efficientlyand digestfoodmore quickly.Keeping activekeeps youyoung.There maynot bean elixir灵丹妙药of youthjust yet,but keepingfit comesclose.Just15minutes ofexercise aday foreight yearscan increaseyour lifespanby threeyears.The moreyoudo,the longeryou couldlive.5It canbe low-intensity exercise-swimming,a longwalk ona runningmachineatthegym,oralow-intensity workoutvia specialAPPs.A.It aidsyour digestion.B.It givesyou abetter appetite.C.Increased musclestrength helpstoo.D.Here arethe benefitsyoucanget fromexercise.E.This isbecause physicalactivity delayscell ageing.F.People thinkthis willcatch ourattention andinspire ouraction.G.Power walkingor ropeskipping isa brilliantstress reliever,vn.语法填空The dodoisthemost famouscreature ofall thecreatures
1.become extinctin recenthistory.The remains ofthe dodo atOxford areone ofthe greatesttreasuresof itsmuseum.The dodo
2.discover byEuropeans in
1507.lt wasa flightlessbird3lived onthe islandofMauritius inthe IndianOcean.Although the dodoswere easy
4.catch,their meatwas notthat tasty.Their rapiddecrease wasprobably dueless tohunting,and moretothefact5the dogs,cats,rats andpigs,
6.introduce toMauritius,destroyed the dodos eggsand habitat.By1680the birdwas extinct.The dodoswere acuriosity,and somewere broughtto Europeby
7.wealth collectorslike JohnTradescant.His
8.collect werelater broughtto Oxford.Although smallinamount,these specimens标本represent themost completeremainsofa singledodo,and are
9.great valueto scientiststoday.DNA researchhas shownthedodois10close relatedto pigeonsand hasfinally solvedthequestion ofthedodos ancestors;without theOxford specimensthis wouldhavebeenimpossible.参考答案
一、基础巩固I.l.clone
2.camel
3.goat
4.clues
5.treatment
6.biology
7.Mammals
8.fore ver
9.reproductive lO.emotionII.
1.editor
2.artificial
3.twins
4.comparison
5.wholly
6.to pass
7.merely
8.abused
9.a lO.fromIII.
1.is capableof
2.break thetechnical barrier
3.make anexactcopy
4.in comparisonwith
5.isbound toshape
6.It isunknown whetherIV.l.a
2.Growing
3.which
4.announced
5.Compared
6.more complicated
7.disagreement
8.What
9.ethical
10.should beexplored
二、能力提升V.l.D细节理解题由第二段中的It canalsobringabouttherecreationofspeciesthathave longsincedied,allowing scientiststo fullystudy thespeciesasalivingcreatureinsteadofsimplylookingat imagesor bones.”可知，生殖性克隆使得再创造已经灭绝的物种成为可能，能够让科学家充分研究一个生物物种,而不是仅仅观察这些灭绝物种的图片和骨骼故选D项
2.A细节理解题由第三段中的cloningcanbeusedtoreplacefailingorgans”可知，克隆可以用于替换衰羯的器官,故可用于器官移植
3.C细节理解题由倒数第三段中的“itcouldalso causea lotof malpractices和there couldbe thepossibilityof peopledeliberately reproducingundesired characters.This couldleadtoa riseinmalpractices withinsociety.”可知，克隆会导致社会中的不端行为增加
4.D推理判断题由最后一段中的studies showthattheclonewouldin factnot becompletelyidentical tothe originaljust astwins arenot completelyidentical”可知，克隆体与母体并不是完全相同的;作者提到双胞胎是为了说明克隆体与母体的差别
5.B推理判断题根据第二段中的The storythat gavepeople causefor concern”及第三段中的Alarm bellswent offin myhead.”和第四段中的“Is ittimetoworryabouthumancloningagain”可知,Must克隆逝世女儿的宠物狗一^事让作者感到非常担忧
6.A推理判断题根据第五段中的“I metCibelli15years ago,when Iwas amonga groupofjournalists coveringcloning nonstop...copy ahuman beingat anymoment.可y隹断，当时克隆人的想法受到了人们的广泛关注
7.C段落大意题根据第六段中的“In manyanimals,only onein100clonedembryosever leadstoa livebirth...and quicklydie.”可知，克隆过程中能最后成活的个体极少由此可见,该段主要介绍了克隆人类所面临的各种困难及挑战
8.A细节理解题根据最后一段中的She saiditsnot aquestionshehasananswer toA可知,Must对是否会克隆自己女儿的问题并没有明确的答案VI.
1.D空处在第一段结尾，再由下文所列的几方面好处可知，此处需要一个总括的句子，故D项“以下是你可以从锻炼中得到的好处‘符合语境
2.C根据空前的the benefitsaren tlimited tosport”可知，不只运动会带来这些益处，再名吉合空后一句Attending someprofessional courses...and sostrengthen breathingmuscles.,9尤其是关键词“strengthen breathingmuscles”可知,C项“增强的肌肉力量也有所帮助符合语境
3.G根据本段小标题可知本段主要说明锻炼带来的心理方面的好处，故G项“快走或跳绳都是一种很好的减压方式”符合语境
4.A空处为下方段落的标题该段内容主要讲了运动给消化系统带来的好处故A项“它有助于你的消化“正确
5.E根据该段小标题可知，本段主要说明锻炼可以让你年轻，空前一句表述“你做的（运动）越多，你就能活得越久”,E项“这是因为体育活动会延缓细胞衰老”解释了原因，符合语境VII.l.to havebecome考查不定式作定语设空处作后置定语，且“creatures”与become之间是逻辑上的主谓关系，又因become所表示的动作已完成，故填tohavebecomeo
2.was discovered考查动词的时态和语态由语境及“in1507”可知,此处用一般过去时，又因thedodo与discover之间是被动关系，故填was discovered
3.that/which考查关系代词设空处引导限制性定语从句o修饰先行词bird,且在从句中作主语,故填that/which
4.to catch考查不定式作补语be easytodosth意为“做某事是容易的
5.that考查连接词设空处引导同位语从句，且从句意义和成分均完整，故填that
6.introduced考查过去分词作定语introduce与“the dogs,cats,rats andpigs”之间是逻辑上的动宾关系，故填introduced
7.wealthy考查形容词作定语设空处作定语，意为“富有的，故填wealthyo
8.collections考查名词复数设空处作主语，意为“收藏品”，由空后的“were”可知用复数,故填collectionso
9.of考查固定搭配be ofgreat value意为“有很大的价值lO.closely考查副词设空处修饰形容词related”,故填closely。
个人认证
优秀文档
获得点赞 0
