《捷进英语B2U》PPT课件

,2,JourneysofDiscovery,Task1,Lookatthesampleandthencompletethetwoexercisesthatfollow.,WhichPairIstheSameastheExample?,SampleExample:(1)Dolphin(2)Salmon(鲑鱼)A(1)Turtle(海龟)(2)EagleB(1)Salmon(2)SpiderC(1)Seahorse(2)Shark,Answerandreason:TheanswerisCbecausejustastheexample,inwhichbothdolphinandsalmoncanonlyliveinwater,bothseahorseandsharkcanonlyliveinwateraswell.,Exercise1Example:(1)Fish(2)GoldfishA(1)Butterfly(2)BeeB(1)Crab(螃蟹)(2)SpiderC(1)Mammal(哺乳动物)(2)Whale,Exercise2Example:(1)Butterfly(2)DragonflyA(1)Spider(2)ElephantB(1)Eagle(2)BeeC(1)Zebra(斑马)(2)Snake,Exercise1TheanswerisCbecauseawhaleisasubspeciesofamammal.,Exercise2TheanswerisBbecausebothanimalscanfly.,Task2,Discussthequestionsinpairs.,1Whichanimalinterestsyoumost?2Whatfascinatingfactsdoyouknowaboutanimals?,Possibleanswers1.Ifindbatsfascinating.Theycanflythroughwoodlandinpitchblack.,Possibleanswers2ReindeercanseeUVlight.Dragonfliesaremasterpredators.Theycatch95%oftheirprey,lionscatchonly40%.Elephantsuseinfrasonichearingtocommunicatewhentheyareveryfarfromoneanother.Theycanhearthunderstormsfrom500kmaway.ThatslikesomeoneinLondonlisteningtoastorminEdinburgh.,Usingtheintroductionparagraph(有效利用开头段落)文章的开头段落一般具有文章概览的特点，它是对文章内容的整体介绍，通常包含背景知识、相关统计数据，作者的主要观点等。所以，在写论文或查阅资料时，我们通常可以通过快速浏览文章的开头段落来决定是否继续阅读或购买这篇资料。,Task1,Readthefirstparagraphandtickthethingsyouthinkthetextwillcover.Readthetextandcheckyourpredictions.,1Howanimalsmigrate.2Whyanimalsmigrate.3Ourunderstandingofanimalmigration.4Thebiggestmigrationofanimals.5Howhumanstravelaround.,1.Whatarethereasonsformigration?2.Howdotheanimalsknowtomigrate?3.Howdotheanimalsfindthewaytotheirdestination?,ANearlyallanimalmigrationshappenforonereasononlysurvival.Forsomeanimals,itistofindfood.However,forothers,itistohavetheiryounginaplaceawayfromotherdangerousanimals.Animalsdonothaveacalendarontheirwalltotellthemwhentomigrate.Sohowdotheyknowwhentoleave?Howdotheyfindtheirwaybacktotheplacetheywerebornmanyyearsago?Orhowdotheyknowwhichdirectiontogoona12,000-milejourney?Scientistsarestartingtounderstandmoreofthesecretsofanimalmigration.,AmazingJourneys,译文,奇妙的旅途几乎所有的动物迁徙都只是出于同一个理由生存。有些动物迁移是为了寻找食物，另一些则是为了远离危险，繁衍后代。动物们没有一个挂在墙上的日历告诉他们何时迁徙，那么它们是如何知道何时该启程了呢？它们又是如何找回到多年前出生的地方呢？又或者，它们是如何知道在这12,000英里的旅途中该向哪个方向前行呢？科学家正开始了解更多关于动物迁徙的奥秘。,译文,很多事物可以告诉动物何时迁徙：有些依据白天的长短，有些靠外界的温度变化判断时间，而另一些则通过他们体内脂肪的水平决定启程的时间。动物们知道自己需要多少脂肪。当脂肪水平减少时，很多动物就会出发。但是，如果它们等待的时间过长，就会没有足够的脂肪来完成旅行。,译文,没有人充分了解动物是如何找到迁徙目的地的。但研究正显示，动物的大脑和人的大脑都有类似全球定位系统的东西。动物可以利用地标、星辰、月亮和太阳等任何东西帮它们记住自己现在在哪里，曾经去过哪里，以及将要去哪里。虽然人们可能会记住一些较短的路途，例如所在城市周围的路线，但是仅靠自己不借助任何帮助就踏上一个一万多英里的旅途，就是另一回事了。,MoreInformation,译文,一些海龟可以迁徙12,000英里，回到它们出生的那片海滩来繁衍后代。大马哈鱼靠闻海水的气味从大海回到河流。很多鸟类、蝴蝶和蟹类都把地球当成一个巨型磁铁来寻找方向。,NewWords,PhrasesandExpressions,#migrationsurvivalcalendar#migratedirection,temperaturewhereasfatdestinationlandmark,findonesway(back)to,ProperNames,#turtle#salmon#crabgiant#magnet,migration,e.g.Swallowsbegintheirmigrationsouthinautumn.燕子在秋季开始向南方迁移。,n.迁徙；移居,BacktoVocabulary,survival,e.g.Ifcancersarespottedearly,thentheresahighchanceofsurvival.如果癌症在早期发现的话，存活的几率会很高。,n.生存,BacktoVocabulary,calendar,e.g.Therewasacalendaronthewallabove,withlargesquaresaroundthedates.上面的墙上挂有日历,日期四周有巨大的方框。,n.日历,BacktoVocabulary,migrate,e.g.Mostbirdshavetoflylongdistancestomigrate.绝大多数鸟类为了迁徙都不得不进行长距离的飞行。,v.（鸟或动物）迁徙；移居,BacktoVocabulary,direction,e.g.Theywanderedoffinthedirectionoftheneareststore.他们信步朝最近的商店走去。,n.方向；方位,BacktoVocabulary,temperature,e.g.Copingwithseveredropsintemperaturecanbeverydifficult.温度大幅下降可能会很难应付。,n.温度；气温,BacktoVocabulary,whereas,e.g.Somepraisehim,whereasotherscondemnhim.有些人赞扬他,而有些人谴责他。,conj.然而；但是,BacktoVocabulary,fat,e.g.Becauseyourenotburningcalories,everythingyoueatturnstofat.由于没有消耗卡路里，你吃的所有东西都会变成脂肪。,n.脂肪,BacktoVocabulary,destination,e.g.Onlyhalfoftheemergencysupplieshavereachedtheirdestination.仅有一半的紧急救援物资运抵了目的地。,n.目的地；终点,BacktoVocabulary,landmark,e.g.TheEmpireStateBuildingisafamiliarlandmarkontheNewYorkskyline.帝国大厦是纽约高楼大厦中一个为人熟知的地标。,n.地标,BacktoVocabulary,turtle,e.g.Theturtlehibernatesinashallowburrowforsixmonthsoftheyear.海龟每年在浅洞中冬眠六个月。,n.海龟,BacktoVocabulary,salmon,e.g.Hehasbeennettingsalmontosupplytheblackmarket.他一直在捕捞鲑鱼到黑市上去卖。,n.鲑鱼；大马哈鱼,BacktoVocabulary,crab,e.g.Theclawsofacrabareusedforgraspingthings,especiallyfood.螃蟹用钳抓东西,特别是食物。,n.螃蟹,BacktoVocabulary,giant,e.g.Overheadcraneswereliftinggiantsheetsofsteel.高架起重机正吊起一块块巨大的钢板。,adj.特大的；巨大的,BacktoVocabulary,magnet,e.g.Hepickedallthepinsupwithamagnet.他用磁铁吸起了所有的大头针。,n.磁铁；磁石,BacktoVocabulary,findonesway(back)to,e.g.Finally,theyfoundtheirwaytothetheGreatWall.他们最终找到了去长城的路。,找到（回）去的路,BacktoVocabulary,BacktoVocabulary,GPS(GlobalPositioningSystem),全球定位系统,1)migration:迁徒；移居；迁居AmigrationintoEuropeancountriescontinuedinfullspate.移居欧洲国家的热潮一直在持续。2)migrate:v.whenananimalmigrates,ittravelstoadifferentplace,usuallywhentheseasonchanges（动物）迁徙；移栖e.g.Inwinter,thesebirdsmigratesouthtoawarmerclimate.冬天，这些鸟会向南迁徙，到更温暖的地方过冬。ifpeoplemigrate,theytravelinlargenumberstoanewplacetolivetemporarily（指人）大批外出；（暂时）移居；迁移e.g.HemigratedtoAustraliaasayoungman.他年轻时就移居澳大利亚。,Nearlyallanimalmigrationshappenforonereasononlysurvival.几乎所有的动物迁徙都只是出于同一个理由生存。,3)survival:nthefactorstateofcontinuingtoliveorexist,especiallyindifficultconditions生存；存活；幸存e.g.ThedoctorstoldmywifeIhadaslimchanceofsurvival.医生告诉我妻子，我生还的几率微乎其微。somethingthathascontinuedtoexistfromaprevioustime遗留物；幸存者e.g.Thelittleboyistheonlysurvialfromthecaraccident.这个小男孩是此次车祸中的唯一幸存者。,Orhowdotheyknowwhichdirectiontogoona12,000-milejourney?又或者，它们是如何知道在这12,000英里的旅途中该向哪个方向前行呢？,direction:n.1）thewaysomethingorsomeonemoves,faces,orisaimed方向；方位e.g.ThesuspectswereseenheadinginthedirectionofMiami.人们发现嫌疑犯往迈阿密方向去了。2）pluralinstructionsfordoingsomethingorgettingtoaplace用法说明；指示e.g.Besureyoureadthedirectionsbeforeusinganypieceofequipment.使用此设备之前务必阅读其说明。,Somejudgethetimebythetemperatureoutside,whereasothersknowwhentotravelbytheleveloffatintheirbody.有些靠外界的温度变化判断时间，而另一些则通过他们体内脂肪的水平来决定启程的时间。,whereas:conj.itisusedtoindicateacontrastbetweentwofactsorideas然而；但是e.g.Someofthestudiesshowpositiveresults,whereasothersdonot.有一些研究结果令人满意，其他的则不然。Hischildrenarewellbred,whereasthoseofhissistersarenaughty.他的孩子很有教养，但他姐姐家的孩子却很调皮。,However,iftheywaittoolong,theywillnothaveenoughfattomakethejourney.但是，如果它们等待的时间过长，就会没有足够的脂肪来完成旅行。,1)fat:n.asoftwhitesubstancestoredinalayerunderyourskin脂肪e.g.Reducetheamountoffatinyourdiet.要减少食物中的油脂量。2)make:v.succeedinachievingsomethingbyreachingthenecessarylevelorstandard达到；实现；完成e.g.Wevemadeourtargetof10,000salesthismonth.我们已经完成这个月10,000宗销售的目标。,Whilehumansmightremembershortjourneyssuchastheirwayaroundacity,itisquiteanothersteptotraveltosomewhereover10,000milesawaywithnothingbutyourself!虽然人们可能会记住一些较短的路途，例如所在城市周围的路线，但是仅靠自己不借助任何帮助就踏上一个一万多英里的旅途，就是另一回事了。,1)while:usedforsayingthatalthoughyouacceptthatsomethingistrue,therearealsodoubtsorfactsthatyoucannotignore尽管；然而；虽然e.g.WhileIagreewithyou,Idonotbelievethatyourwayisthebest.尽管我同意你的看法，但我不认为你的方法是最好的。2)在本句后半个从句中，it是形式主语，置于句首，真正的主语是totraveltosomewhereover10,000milesawaywithnothingbutyourself。e.g.Itisverychallengingtodealwiththisproblem.处理这个问题很有挑战性。,ReadingandUnderstanding,Task2,Readthetextand:,1circlethethingsthatcouldtellananimalwhentomigrate.aThelengthoftheday.bHowhotitis.cThechangesinplants.dThechangesintheirbody.2circlethethingsanimalscouldusetofindtheirwaywhenmigrating.aThingsinthesky.bThingsonthegroundsuchasbuildings,forestsormountains.cSmells.dOlderanimals.,ReadingandUnderstanding,Task3,Readthetextandanswerthequestions.,1Whatisthemainreasonforanimalmigration?2Whathappensifanimalsleaveittoolatetotravel?3Whatismoreimpressiveaboutanimaltravelthanhumantravel?4Wheredoturtlestraveltohavetheiryoung?5Howdosalmonfindtheirwaybacktowheretheywereborn?6Howdobirdsfindtherightdirectiontogowhentheymigrate?,Possibleanswers1Survival.2Theymightnothaveenoughfattomakethejourneyandmaydie.3Humansonlyremembershortjourneys,e.g.theirwayaroundacity,whereasanimalscanrememberjourneysofthousandsofmiles.4Theytravelbacktowheretheywereborn.5Theysmellthewater.6TheyusetheEarthlikeamagnet.,ReadingandUnderstanding,Task4,HowgoodisyourinternalGPS?Rateyourselfonthescale.Compareyourselfwithapartner.,1IgetlostwhenIgotoanewplace.,2IfIhavetravelledsomewhereonce,thenexttimeIwillfinditeasily.,3Icoulddirectsomeonealmostanywhereinmyhometown.,4Irelyonotherpeopletorememberdirections.,VocabularyFocus,Task1,Matchthewordstotheirexplanations.,1discoveryastayingalivedespitedanger2survivalbabuildingorthingthathelpsyouknowwhereyouare,egBigBen3calendarcsomethingthatwasnotknownbefore;somethingnew4migrationdtheplaceyouaretravellingto5directionethewayapersonismoving,egnorth,south,east,west6destinationfthemovementfromoneplacetoanotherofalargegroupofpeople,birds,animals,etc7landmarkgasetofpagesthatshowthedays,weeks,andmonthsofaparticularyear,VocabularyFocus,Task2,Completethesentenceswiththecorrectformsofthewordsinbrackets.,1The_(discover)ofacureforEbola(埃博拉病毒)wasoneofthebigscientificaimsof2014.2Animalsspendmuchoftheirlifefightingfor_(survive).3The_(migrate)ofgiantredcrabsisoneofthemostamazingsights.4Nickisalwaysgettinglostbecauseofhisterriblesenseof_(direct).5Ourcityisoneofthemostpopulartourist_(destination).,discovery,survival,migration,direction,destinations,VocabularyFocus,Task3,Completethepassagewithwordsfromtheboxes.,Hibernation(冬眠)isnotsimplyalongsleep.Sleepingissimplythebodyrelaxingandrepairing(1)_inhibernationananimalsbodychangesalot.Differentanimalshibernateatdifferenttimesoftheyear.Oneofthemainthingstheyuseto(2)_whentohibernateisthe(3)_.Asitgetscolder,manyanimalsstarttopreparetohibernate.Manyanimalsreducetheenergytheyuseandmanyanimalsbreatheless.(4)_,someanimalsevenstopbreathingcompletely.,whereas,judge,temperature,Amazingly,GrammarFocus：IndefinitePronouns(不定代词),someone/anyone,something/anything以及somewhere/anywhere这几组不定代词的区别与some和any的区别相似：some常用于肯定句中，后面常接不可数名词；表示建议、请求并希望得到对方的肯定回答时，some也可以用于疑问句；any常用于否定句和疑问句中，后面常接可数名词的复数形式或不可数名词。,Task1,Findandunderlineexamplesofindefinitepronounsinthetext.Thenmatchtheindefinitepronounsintheboxestotheirexplanations.Thefirstoneisalreadydoneforyou.,1Innoplaces(nowhere)2Inaplace()3Allthepeople()4Noperson()5Aperson()6Allthethings()7Nothings()8Athing()9Inalltheplaces(),AnswersExamplesofindefinitepronounsinthetext:noone;something;anything;somewhere;nothing,somewhere,everyone/everybody,noone/nobody,someone/somebody,everything,nothing,something,everywhere,Task2,Choosethecorrectindefinitepronountocompletethesentences.,1Iknew_attheparty.AanyoneBeveryone2Areyoudoing_interestingthisholiday?AanythingBsomething3Doyouhave_todrink?AanythingBsomething4Theteacherwasnthappybecause_knewtheanswer.AnooneBsomeone5Letsgo_forfuntonight.AanywhereBsomewhere6Therewasaknockonthedoor,but_answeredit.AnooneBanyone7Thereisnt_Iwanttoeatonthemenu.AeverythingBanything8Wewent_intownduringtheholiday.AeverywhereBanywhere,GrammarFocus：IndefinitePronouns(不定代词),Task3,Completethethreeconversationswithappropriateindefinitepronouns.,GrammarFocus：IndefinitePronouns(不定代词),Lin:Shallwedo(1)_togethertonight?Marek:Sorry,Icant.Ithinkweregoing(2)_fordinner,butImnotsurewhere.,Piotr:Iwatched(3)_abouthowanimalsmigrateonTVlastnight.Kinga:Wasitinteresting?Piotr:Itwas.OnEasterIsland,(4)_inthePacificOcean,giantredcrabsmigrateacrosstheisland.Itlookedamazing.Forsomeotheranimals,itseems(5)_canstopthem.Someelephantsmigratethroughahoteleveryyear!Kinga:Wow!Illwatchittoday.,Hayley:(6)_yougoyougetlost!Whereareyounow?Liam:Imnotsure.(7)_neartheHighStreet,Ithink.Hayley:Arethereanylandmarksyoucansee?Liam:Icanseeaclocktowerattheendofthestreet.Hayley:OK,waitthere.Illgoandfindyou.(8)_elsegetslostasoftenasyou!,something,somewhere,something,somewhere,nothing,Everywhere,Somewhere,Noone/Nobody,BeyondtheText,Task1,Survivalisthemainreasonforbothanimalmigrationandhumanmigration.Readthepassageaboutafamoushumanmigrationinhistory.Thenfindoutwhythesepeoplechosetomoveinthiscase.,10PomsAfterWorldWarII,manyBritons(Poms)weresoldthedreamofanewlifeinAustralia.Atthetime,ajourneytoAustraliacost120,whichwas6monthssalaryformanypeople.TheAustralianGovernmentofferedafareofjust10.Overoneandhalfmillionpeoplewentthere.Itbecameoneofthelargestplannedmigrationsofthe20thCentury.AsruledbytheAustralianGovernment,themigrantshadtostaythereforatleast2yearsorpaythefareback.Somemadenewlivesforthemselves,butotherswerenothappyandmanywerehomesick.TheyreturnedtoAustraliaagainandbecameknownastheBoomerangPoms.,Pom:（尤指移居澳大利亚或新西兰的）英国人Boomerang:回飞镖（澳大利亚土著居民用以捕猎的飞镖，掷出后可飞回）,PossibleanswersTheychosetomigratebecausetheyweresoldadreamofanewlifeinAustralia.,Questions:1.WhendidtheBritishpeoplemovetoAustralia?2.Howmuchdidthetripnormallycost?3.Howmuchdiditactuallycost?4.Howlongdidtheyhavetostayfor?5.Whydidmanychoosetoreturn?6.WhydidtheBritishpeoplemovetoAustralia?,BeyondtheText,Task2,Doyouknowotherhumanmigrations?Whatwerethereasons?Workingroupsandlistsome.,Inthe1990s,manypeopleinHubeiandChongqinghadtoleavetheirhometownbecauseofthebuildingoftheThreeGorgesDam(三峡大坝)._,ManyItalians,GreeksandTurksmovedtoGermanyinthe1970sand1980sbecauseGermanyneededworkers.Somanyofthesepeoplelefttheirowncountrieswithhighunemploymentrate.,ManyEuropeansmovedtotheUSAhundredsofyearsago.Thereasonswerevariedbutmanywereseekingbettereconomicprospects.,BeyondtheText,Task3,Emigratemeanstomovetoanothercountrytolive.Imagineyouhavethechancetoemigratetooneofthesecountries.Whichonewouldyouchooseandwhy?,IwouldmovetoBrazilbecause,PossibleanswersIwouldmovetoBrazilbecauseIlovefootball.IwouldmovetoBrazilbecausethecountryissorelaxed.IwouldmovetoRussiabecauseIdontwanttobetoofarfromChina.IwouldmovetoRussiabecauseithaslongwintersIjusthateheat.IwouldmovetoBritainbecauseIcanspeakEnglishandIdontspeakanyoftheotherlanguages.IwouldmovetoBritainbecauseIlikelivingonanisland.IwouldmovetoAustraliabecauseIlovetheoutdoorlife.IwouldmovetoAustraliabecauseithasamazingbeaches.IwouldmovetoItalybecausetherearealotofdeliciousfood.IwouldmovetoItalybecausetheItaliansareveryhappyandenthusiastic.,BeyondtheText,Task4,CanyoulistfivegoodthingsaboutChinaandconvinceyourforeignfriendstomigrateintoChina?Compareyourlistsinsmallgroups.,Largepopulation:TherearemanypeopleinChina.Soyouwillmeetnewpeopleandmakealotoffriendshere.Longworkinghours:Youdonthavetoworryaboutwheretobuydailynecessitiesaftertheworkinghours.Manyconveniencestoresopen24hours._,Food:Thecountryhasareallywidechoiceoffood.Thereissomethingforeveryone.,History:Chinahasoneofthelongesthistoriesintheworld.Thereisalwayssomethingnewtodiscover.,Transport:Lotsoftheroadsandtrainsarenewandmodern.Thetrainsarealsoverycheap.,Task1,Lookattheinventionsanddiscoveriesinthepicture.Writedowntheonesthatarementionedinthecomments.,TheGreatestInventions,译文,最伟大的发明如果你随便问一个人，他离开了什么便无法生活，很多人可能会回答说“我的手机”。现代移动电话包括了上世纪很多重要的发明。可以说，现在我们口袋里的技术力量甚至超越了50年前多数公司的整间办公室。虽然我们可能会觉得没有智能手机很难活下去，但智能手机真的是迄今为止最重要的发明吗？你是怎么认为的？来为历史上最重要的发明投票，并发表评论来支持你的投票吧。,译文,TheGreatestInventions,Comments,Surprisingly,airconditionerisover100yearsold!Forme,itsoneofthemostimportantinventions,becauseitmadeitmucheasiertoliveandworkinveryhotpartsoftheworld.Withoutit,alotlesspeoplewouldliveinmycountry.,Therefrigeratormadeahugedifferencetopeopleslives.Wecouldkeepourfoodfreshforlonger.Italsocutillnesses.,评论户布娜令人惊讶的是，空调已经有一百年多的历史了！对我而言，空调是最重要的发明之一，因为它使人们可以在世界上非常炎热的地方更轻松地生活和工作。没有它，在我的国家居住的人口会少得多。埃米冰箱极大地改变了人们的生活。食物的保鲜期延长了，疾病的发生也减少了。,译文,TheGreatestInventions,IthastobetheInternet.Everythingintheworldissoconnectedbecauseofit.ItmakeslifeeasierinsomanywaysIcantimaginelifewithoutit.SomeofthebiggestcompaniesareonlyontheInternetthehighstreetiscompletelydifferentnow.,Penicillinhastobeoneofthemostimportantinventions.Ithassavedthousandsoflivesaroundtheworld.,尼基青霉素当仁不让，肯定是最重要的发明之一。它拯救了世界上成千上万人的生命。索莫最重要的发明非因特网莫属。世界万物因其而紧密相连。它让生活的方方面面都更加便利我无法想象没有它的生活。一些大公司都完全在网上运行商业街已今非昔比。,MoreInformation,译文,TheGreatestInventions,雷吉喷气飞机极大地改变了世界。在我父母的那一代，大多数人没有离开过自己居住的城市，更不用说出国了。而如今，人们周游世界，体验各国风土人情。阿布杜尔人类DNA的发现和绘制无疑是最重要的。几乎所有的重大疾病，如癌症等，都将可能因为我们对人类DNA的了解而被治愈。,Thejetairplanechangedtheworlddramatically.Inmyparentsgeneration,mostpeopledidntleavetheircity,letalonetheircountry.Nowpeopletravelallovertheworldexperiencingdifferentculturesandcountries.,ThediscoveryandmappingofhumanDNAhastobethemostimportant.Nearlyallmajorillnesses,suchascancer,willprobablybebeatenbecauseofourunderstandingofhumanDNA.,NewWords,PhrasesandExpressions,technologicalvotesurprisingly#penicillindramatically,airconditionerhighstreet,ProperNames,generationmapcancerbeat,jetairplaneletalone,technological,e.g.Withtechnologicalchangesmanytraditionalskillshavebecomeobsolete.随着技术的革新，许多传统技艺已被淘汰。,adj.技术的；工艺的,BacktoVocabulary,vote,e.g.Thevotermayvoteinaccordancewiththelistofcandidateorvoteforanyotherpersonsheprefers.选举人可以根据候选人名单投票,也可以选择任何其他他愿意选的人。,v.投票n.投票；选票,BacktoVocabulary,surprisingly,e.g.Surprisingly,mathematicswasvotedtheirfavouritesubject.令人惊讶的是，数学课被选为他们最喜欢的科目。,adv.出人意料地；惊人地,BacktoVocabulary,penicillin,e.g.Flemingdiscoveredpenicillinbyaccidentin1928.弗莱明在1928年偶然发现了青霉素。,n.青霉素；盘尼西林,BacktoVocabulary,dramatically,e.g.Thepopulationinthatcountrydecreaseddramatically.这个国家的人口减少了许多。,adv.引人注目地；大幅度地,BacktoVocabulary,generation,e.g.Hewasoneofthemostcreativeandinnovativeengineersofhisgeneration.他是他那代人当中最富创造性与革新精神的工程师之一。,n.代；一代,BacktoVocabulary,map,e.g.IthinkthemappingofhumanDNAisagreatdiscovery.我认为人类基因图谱的绘制是一项伟大的发现。,v.给基因在染色体上定位,BacktoVocabulary,cancer,e.g.90%oflungcancersarecausedbysmoking.90%的肺癌是吸烟所致。,n.癌（症）,BacktoVocabulary,beat,e.g.Annawasexpectingherfirstchildat43twoyearsafterbeatingbreastcancer.安娜在43岁的时候怀上了第一个孩子那时她战胜乳腺癌已经有两年了。,v.击败；打,BacktoVocabulary,airconditioner,e.g.Itwassohotthatwehadtohavetheairconditioneronalldaylong.天太热,我们不得不整天开着空调。,空调,BacktoVocabula