2021高中英语 Unit 20 New Frontiers Section Ⅲ Lesson 3 Scientific Breakthroughs课件 北师大选修7.pptx

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1、Section Lesson 3Scientific Breakthroughs一二三四五六一、词义匹配AB1.organa.acloudofverysmalldropsofwaterintheair2.premierb.sayingexactlywhatyouthink3.outspokenc.thepartofacountrysarmedforcesatseaandtheshipsituses4.telescoped.mostimportant5.galaxy e.anyofthelargesystemofstars;thesystemofstarsthatcontainsoursunan

2、ditsplanets6.mistf.apartofthebodythathasaparticularfunction7.navyg.anofficialrighttobetheonlypersontomake,useorsellaproductoraninvention8.patent h.apieceofequipmentyoulookthroughtomakeobjectsthatarefarawayappearlargerandnearer答案：1.f2.d3.b4.h5.e6.a7.c8.g一二三四五六二、猜词拼写1.tomakeapersonorananimalhealthyaga

3、inafteranillness;amedicineormedicaltreatment;theactofcuringsb.2.togivemoney,food,clothes,etc,tosb./sth.;toallowdoctorstoremovebloodoranorganinordertohelpsb.whoneedsit3.towriteletterstosb.andreceivelettersfromthem;tobethesameas;tobesimilartosth.else4.whilesomethingelseishappening;intheperiodoftimebet

4、weentwotimesortwoevents5.asituationwhichmakesitdifficultforyoutomakedecisionscuredonatecorrespondmeanwhiledilemma一二三四五六6.todivide;tomakesth.divide7.theresultoreffectofanactionorevent8.tofightsb.byholdingthemandtryingtothroworforcethemtotheground9.an instrument used in scientific study for making sma

5、ll things look larger10.theusualorcorrectwayofdoingsth.splitoutcomewrestlemicroscopeprocedure一二三四五六三、词组互译1.更不用说2.根据3.将要做某事4.去度假5.被用来做6.turnto7.wrestlewithsth.8.goout9.begratefulforsth.10.experimentwithnottomentionaccordingtobeabouttodosth.goonholidaybeusedtodo.转向;求助于努力解决难以处理的事熄灭因为而感谢用做实验一二三四五六11.atw

6、ork12.participatein13.donate.to.14.shortlyafter15.bededicatedto在工作参加向捐献不久后致力于;献身于一二三四五六四、阅读课文,将下列发现与其发现方式匹配起来1.E=mc2a.scientistsworkedtogetherasateam2.penicillinb.therewasaluckyaccident3.thefirstcomputerc.ascientistdidresearchformanyyears4.othergalaxies d.ascientistwasinspired答案：1.d2.b3.a4.c一二三四五六五、

7、阅读课文,并选择最佳选项1.Whywouldpeoplehavearealdilemma,iftheyhadtochoosethemostimportantdiscoveryofthe20thcentury?A.Becausedifferentpeoplehavedifferentideasanditsdifficulttochoose.B.Becausetherewerenogreatdiscoveriesinthe20thcentury.C.Becausetherewasnocommonstandardtojudge.D.Becausesomanyamazingdiscoverieswer

8、emadeinmedicine,communications,transportandmanyotherfields,andtheyallhadagreatinfluenceontheworld.D一二三四五六2.HowdidEinsteinthinkoftheequation“E=mc2”?A.Whenhewasatwork.B.Hisassistanthelpedhim.C.Whenhewasrockinghisone-yearoldbaby,hewasinspired.D.Hisdreaminspiredhim.3.Whosediscoverycanbeusedtosavepeoples

9、livesaccordingtothetext?A.AlexanderFlemings.B.EdwinHubbles.C.AlbertEinsteins.D.EckertandMauchlys.CA一二三四五六4.Whatstheoriginalpurposeofdesigningthefirstcomputer?A.Todosomedifficultexperiments.B.Toimprovetheaccuracyofthemissiles.C.Tohelppeoplemakemathematicscalculations.D.Toreplacethemissiles,becomingan

10、ewweapon.5.WhichofthefollowingisNOTrightaccordingtothepassage?A.Hubblediscoveredourgalaxyisbiggerthanwethoughtitwas.B.Thebluemouldwasinfactthenaturalformofpenicillin.C.Todayitsimpossibletodonateyourhearttohospitalwhenyoudie.D.Thefirstcomputerwasdifficulttoprogram.BC一二三四五六六、阅读课文Pioneer of Science,在空白

11、处填入1个适当的单词或括号内单词的正确形式Itsreallyadilemmaforus1.(choose)thesinglemostimportantdiscoveryof2.20thcentury,becausesomany3.(amaze)discoveriesweremadeinsuchalargenumberofscientificareas.Here4.(be)somepioneersofscientists.AlbertEinsteindiscoveredtheformula“E=mc2”5.hewastakingcareofhislittlebaby.EdwinHubbledis

12、coveredgalaxiesmillionsoflightyearsawayfromus,andhisdiscoveryprovedthattheuniversewasvastlylargerthanithadbeen6.(previous)thought.tochoosetheamazingarewhenpreviously一二三四五六AlexanderFlemingmadeanotherfinding:akindofbluemould,later7.(call)penicillin,couldbeusedtokillbacteria.EckertandMauchlyinventedthe

13、worldfirstcomputersoastoimprovethe8.(accurate)oftheUSNavysmissiles.PercySpencerdiscoveredmicrowavesquite9.mistake.Thebreakthroughsofthesepioneers10.(change)theworldcompletely.calledaccuracybyhavechanged12341.Medical advances ranged from discovering the causes of diseases under microscopes to surgica

14、l procedures replacing diseased organs with donated ones.(Page 24)医学的进步包括从显微镜下发现疾病的起因到用捐赠器官替代病变器官这样的外科手术过程。考点donate vt.捐赠;赠送Hedonatedtocancerresearch.他捐款支持癌症研究工作。TheyusedtodonatealargesumofmoneytotheRedCrosseveryyear.他们过去每年都向红十字会捐献大笔的钱。【高考典句】(2016北京卷)Volunteerscamewithcarloadsofdonatedclothingandtoy

15、s.志愿者们带来了整车的捐赠的衣物和玩具。1234考点延伸(1)donationn.捐赠;捐赠物;捐款Alldonationswillbegratefullyreceived.(我们)将十分感激地接受所有的捐赠。(2)辨析:donate与contribute123412342.Communications changed with the introduction of mobile phones and the way we correspond went from writing letters to emailing.(Page 24)通信随着移动电话的引入而改变,我们通信的方式从写信变

16、成了发电子邮件。考点correspond vi.通信;符合Althoughhestaysabroadalone,heoftencorrespondswithhisfriends.尽管他独自一人待在国外,但是他常和朋友们通信。Youraccountoftheeventscorrespondswith/tohers.你说的情况和她说的一致。1234考点延伸correspondto相当于Thefunctionofthismachinecorrespondstothatofthehumanbrain.这种机器的作用就相当于人脑的作用。correspondwithsb.与某人通信correspondto

17、/with与相符1234123412343.We started flying around the world and meanwhile,scientists figured out how to split the atom,previously thought to be the smallest particle of matter in the universe.(Page 24)我们开始在世界各地飞行,同时,科学家们发现了怎么样分离原子,而原子以前被认定是宇宙中最小的物质微粒。考点meanwhile adv.&n.同时,与此同时;期间ShesduetoarriveonThursd

18、ay.Meanwhile,whatdowedo?她预计星期四到达。这期间我们做什么呢?Iwenttocollege.Inthemeanwhile,allmyfriendsgotwell-paidjobs.我上大学了。与此同时,我的所有朋友都找到了收入不错的工作。1234meanwhile与meantime同义,既是副词又是名词,意为“同时,与此同时;期间”。meantime=meanwhile=inthemeanwhile=inthemeantime1234123412344.During the Second World War,when Flemings discovery was fir

19、st helping to cure people,the US Navy was looking for ways of improving the accuracy of their missiles.(Page 25)第二次世界大战期间,弗莱明的发现第一次被用于救人,这时美国海军正在致力于寻找提高导弹命中率的方法。1234考点cure v.治愈,治疗,解决(问题)n.治愈,痊愈;疗法Afteralotofefforts,theymanagedtocurehimofhisdisease.经过很多努力,他们最终治好了他的病。Hisparentsaretryingtocurehimofhisb

20、adhabits.他的父母正在尽全力纠正他的坏习惯。Preventionisbetterthancure.预防胜于治疗。1234考点延伸辨析:cure,treat和healThedoctortreatedheadachewithanewdrugbutdidntcurehim.医生用一种新药给他治头痛,但没有治愈。Thecutonmyleghashealed.我腿上的伤口已经痊愈。1234(1)cure主要考查词义,其用法也是考点。(2)curesb.ofsth.治好某人的病;改掉某人的acurefor(疾病的)治疗方法123412341234一二一、阅读词汇检测阅读下列句子,说出黑体词或词组的

21、含义。1.Ifeelconfidentofhisabilitytocuremydisease.含义答案：治愈2.Hewasfacedwiththedilemmaofwhetherornottoreturntohiscountry.含义答案：困境,进退两难的窘境3.Thebacteriawerethenexaminedunderthemicroscope.含义答案：细菌;显微镜一二4.Organdonationisasensitiveissue.含义答案：器官捐献;问题,议题5.Thecellbegantosplit.含义答案：分开,分离6.HeisoneofBritainspremierche

22、fs.含义答案：最重要的7.ThesunisonlyaverysmallstarintheGalaxy.含义答案：银河系一二8.Eachgalaxycontainscountlessstarsandplanets.含义答案：星系9.Wearewaitingtohearthefinaloutcomeofthenegotiation.含义答案：结果,后果;协商10.Thenavyisconsideringbuyingsixnewwarships.含义答案：海军11.Shehadspentthewholeweekendwrestlingwiththeproblem.含义答案：努力解决一二12.The

23、boyshouldntwrestlewithsuchanexperiencedopponent.含义答案：摔跤;搏斗13.Reheatthesoupinthemicrowave.含义答案：微波炉14.Thepatentrunsoutinthreeyearstime.含义答案：专利15.Theaccidenthappenedasthejetwasabouttotakeoff.含义答案：喷气机一二二、写作词汇检测用所学的单词或短语完成或翻译下列句子。1.Thegovernmentcallsontheyouthtodtheirbloodvoluntarily.答案：donate2.Thewritte

24、nrecordoftheconversationdoesntctowhatwasactuallysaid.答案：correspond3.Bobspentfifteenmonthsaloneabroad.M,Annetookcareofthechildrenonherown.答案：Meanwhile一二4.Thedoctorwasinadwhetherheshouldtellthepatientthetruth.答案：dilemma5.Oncetheydecidewhichcollegetogoto,studentsshouldgettoknowtheadmissionp.答案：procedur

25、es6.Shestheclassintogroupsoffour.答案：split7.Theooftheirdiscussionisstillunknown.答案：outcome一二8.Ispenttwohourswwithmymathshomework.答案：wrestling9.Ioncesawacellthrougha(显微镜).答案：microscope10.Theheartisavital(器官).答案：organ11.ThathotelisoneofDublins(最重要的)hotels.答案：premier12.Shewas(直言的,坦率的)inhercriticismoftheplan.答案：outspoken一二13.Theysawthetargetthrough(望远镜).答案：telescope14.Everythingwascoveredin(薄雾).答案：mist15.这是一种严重的疾病,但是可以被治愈。答案：Thisisaseriousdisease,butitcanbecured.16.他正在为自己的发明申请专利。答案：Heisapplyingforapatentforhisinvention.17.他去年加入了海军。答案：Hejoinedthenavylastyear.