新编英语教程第三版unit4

Unit4LanguageStructureMainTeachingPoints:1.Modalauxiliariesmay/mightusedtoexpress“possibility”eg.Itmay/mightbefinetomorrow.2.Modalauxiliariesshould/oughttoexpressing“obligation”eg.Heshould/oughttogetupearlyandtakesomeexerciseeveryday.3.Modalauxiliarieswouldratherexpressing“preference”eg.Iwouldratherdosomereading.4.Modalauxiliariesmustandcan’tusedtoexpress“strongprobability”and“impossibility”respectivelyeg.Hemustbeinthegym.//Hecan’tbethere.UsefulExpressionsgo-mountainclimbingbeingoodhealthtakenoticeofbeweakin/bepoorinsufferfromsth.livetransmissionofsportseventsDialogueATriptoChinaA.ListeningtotherecordingB.QuestionsonspecificdetailsC.Broadquestions:1.DescribethechangesinChina’sruralareas,particularlyinthecoastalareas.2.WhatarethewaysinwhichChinesefarmersgetup-to-dateinformation?3.Whycollegeeducationimportantformodernfarmers?4.Doyoubelievein“Yougetwhatyouputin”?D.LanguagePoints1.Fancymeetingyouhere.=It’sasurprisetomeetyouhere.2.world-renowned/world-famous世界闻名的eg.1)Shanghaiisaworld-renownedcosmopolitanmetropolis.上海是国际知名的大都会。2）Tonightasoloconcertwillbegivenbyaworld-renownedsingerinShanghaigymnasium.今晚一位世界著名的歌手在上海体育馆举办个人演唱会。3.onandoff/offandon:nothappeningcontinuouslyorregularly断断续续地eg.1)JohnhasworkedwithJohnnyonandoffor10years.断断续续共事了十年。2）Itrainedonandoffallday.雨断断续续下了一天。4.legacy:遗产；遗留之物，后果eg.1)Partofherlegacyfromherparentsisagoldenpocketwatch.父母留给她的遗产中有一块黄金怀表。2）ThemasterpieceofLeonardodavinciareinvaluableculturallegacyoftheRenaissance.达.芬奇的的杰作是文艺复兴时期宝贵的文化遗产。5.capture:v.抓住，捕获，夺取；（用画面、音乐，文字等）捕捉，描绘；n.捕获，捕捉；俘虏，战利品eg.1)Thepolicefinallycapturedtheescapedconvictafteratwo-weeksearch.经过两周的搜捕，警方终于抓获了逃犯。2）Lastnighthemetacharmingwomanatthepartywhocapturedhisheart.昨晚他在聚会上遇到了一位让他心动的魅力女士。3）ThesephotographscapturetheaftermathoftheatomicbombingsofHiroshimaandNagasaki.这些照片捕捉了广岛和长崎原子弹爆炸后的惨状。4）Hehasn’teatenanythingsincehiscapture.自从被俘后他没有吃过任何东西。6.inexhaustible:用不尽的，无穷尽的eg.1)Themanseemstohaveaninexhaustiblesupplyofenergy.2)Tobefrank,mypatienceisnotinexhaustible.7.thetipoftheiceberg:重大问题显露的一小部分；冰山一角eg.1)Thereportedcasesofthewaterpollutionareonlythetipoftheiceberg.报道的水污染事件只是冰山一角。2）Onlythetipoftheicebergpokesupabovethesurfaceofthesea.只有冰山的一角突出海平面。美国著名作家欧内斯特.海明威（Ernest.Hemingway,1899-1961）提出过著名的“冰山原则”。他以“冰山”为喻，认为作者只应描写“冰山”露出水面的部分，水下的部分应该通过本文的提示让读者去想象补充。海明威的写作风格以惜墨如金且轻描淡写而著称，对美国文学以及20世纪文学的发展有极为深远的影响。8.authentic:trueorgeniue真正的，真实的；thatcanbetrusted,reliable可靠的，可信的eg.1)Theauthenticmanuscriptofthecelebratedwriterisexhibitedinthemuseum.这位著名作家的手稿陈列在博物馆里。2）Thepolicehaveobtainedalltheauthenticdetailsofthemurder.警方已经取得了有关那起谋杀案的所有可靠细节。9.unparalleleda.bigger,betterorworsethananythingelse无与伦比的，无双的（中性词）eg.1)Hehasmadeanachievementunparalleledinsportinghistory.他取得的成就在体育界无人能及。2）Thiscountyisconfrontedwithafinancialcrisisupparalleledsincethe1930s.这个国家面临着20世纪30年代以来空前的经融危机。10.takesth./sb.forgranted(that):认为…是理所当然的eg.1)Ijusttookitforgrantedthathe’dalwaysbearound.我还想当然的以为他总能随叫随到呢。2）Herhusbandwasalwaysthere,andshejusttookhimforgranted.她丈夫随时都在身边，她认为他理应如此。11.prevailinga.普遍的，流行的，盛行的prevailv.eg.1)Theprevailingviewseemstobethattheywillfindherguity.一般人的看法似乎认为她会被判有罪。theprevailingeconomicconditions普遍的经济状况theattitudestowardsscienceprevailingatthetime时下对科学的流行看法2)Justicewillprevailovertyranny.正义必将战胜暴虐。12.breathtaking:a.veryexcitingorimpressive(usuallyinapleasantway);verysurprising激动人心的，惊人的eg.1)Thescenewasoneofthebreathtakingbeauty.美妙的景色宁人叹为观止。2）Hespokewithbreathtakingarrogance.他说话时的傲慢态度令人乍舌。abreathtakingviewofthemountains群山的壮丽景色abreathtakinglyexpensivediamond昂贵的惊人的钻石E.Retelling1.TedtellsBobabouthistriptoChina.2.Tedintroducesmanyworld-famousplaceshehasvisited.3.TeddescribesXi’an’sterracottawarriorsandhorses.4.TeddescribesChinesefoodandcookingstyles,thespicy-hotSichuandishesinparticular.Reading1HumanNeedsA.ListeningtotherecordingB.Questionsonspecificdetails1.Whyisfoodabasicneed?2.Howcanweavoidmalnutrition？3.Whydidprimitivepeopleeatonlythefoodthatcouldbegrownneartheirhomes?4.Whatisthedifferencebetweenneedsandwants?(Needsaresomethingnecessarytolife,andwantsarethingsthatwe’dliketohave.)5.Howdowedifferfromprimitivemeninourfoodwants?6.Namethreethingsthatamodernhousecontainsbutanancientpalacedidnot？C.ThestructureofthepassagePart1(para.1-para.3)Whatisabasichumanneed?-food.Part2(para.4)clothing.Part3(para.5)shelter.D.LanguagePoints1.dowithout:dosth.withoutsth.orsb.没有某人或某物也可以做某事eg.1)Mancannotdowithoutwater.2)Weranoutofsurgarsoyou’llhavetodowithout.所以你得克服一下了。2.starve：sufferseverelyordiefromhunger挨饿，饿死eg.1)Thousandsofpeoplearestarvinginthepoverty-strickenarea.在贫困地区成千上万的人正在挨饿。2）Whatwillwehavefordinner?I’mstarving.3.malnutrition:营养不良eg.1)Childrenofthisextremelypoorcountryaresufferingfromchronicmalnutrition.这个极度贫穷国家的儿童长期处于营养不良的状态。2）Infectionofdiseasesismorelikelyinpeoplewhoaresufferingfrommalnutrition.疾病更容易在营养不良的人群中传染。4.primitive:a.ofanearlystageofsocialdevelopment原始的，早期的；simple,old-fashioned,unsophisticated简陋的，粗糙的eg.primitiveculture/customs/man/tribes/society/instinct原始本能1)Heisengagedinthestudyofprimitiveweaponssuchasbows,arrowsandspears.他正在潜心研究弓箭、矛等原始武器。2）Theconditionsareprimitivea