新课标英语选修9Unit2教学 新课标 人教

WarmingupUnit2整理ppttheArcticOceantheIndianOceanthePacificOceantheAtlanticOcean整理pptWhatisthedifferencebetweenanavigatorandanexplorer?整理pptNavigatorseanauticalinstrumentsfindnewislandsorcontinentsNavigator

issomebodywhofindsthepositionandplotsthecourseofashipusingmapsandinstruments.整理pptExplorerlanduseofcompassandlandmarksfindnewplaceswithinanalreadyidentifiedislandorcontinentExplorer

issomebodywhotravelsintoorthroughaplaceinordertolearnaboutit.Veryoftennavigatorsarealsoexplorers.整理ppt整理pptIntheyearbetween1405and1433,sevenlargetreasurefleetssailedwestwardsonvoyagesoftradeandexploration.UnderthecommandofZhengHe,thefleetssetsailfromtheSouthChinaSeaacrosstheIndianOceantotheRedSea,andthentraveledfurthersouth,discoveringtheeasterncoastofAfrica.整理pptHerenewedrelationswiththeKingdomsoftheEastAfricancoast.OneAfricankingsenttheMingemperoraroyalpresent:twogiraffes.整理ppt整理pptAbout700yearsagoayoungtraderfromItalytookalongtriptoCathay.CathayisknownasChinatoday.Hewentwithhisfatheranduncle,whohadtraveledthereoncebefore.TheystayedinChinaforabouttwodecades.Theyoungman'snamewasMarcoPolo.HewaslikedbytheleaderinChinaatthetime.整理pptHeknewfourlanguagesandtraveledaroundthekingdomfortheleader.WhenMarcoPoloreturnedtoItaly,hedictatedhisstorytoawriter.HetoldoftheChinesepostalsystem,papermoney,andtheuseofcoalasfuel.整理pptJamesCook整理ppt

JamesCook(1728-1779)wasthegreatestBritainnavigator.CookenlistedintheRoyalNavyin1755.In1768hewaspromotedandsenttothePacificwherehesurveyedTahiti,NewZealand,andAustralia.Onhisfamoussecondexpedition(1772-1775)heexploredAntarctica.In1776heundertookhisthirdandfinalvoyageinwhichheexplored整理ppttheWestCoastofNorthAmericaandtriedtolocateapassagebetweentheAtlanticandPacificoceans.OnthisvoyagehediscoveredtheHawaiianIslands,andsailedupthecoastofNorthAmericathroughtheBeringStraitstotheArcticOcean.OnhisreturnhewaskilledbyHawaiianislanders.整理pptExplanation1.navigator

n.导航者,领航员

navigatevi.航行,航海,航空

vt.航行于,驾驶,操纵,使通过Theynavigatedwithdifficultythroughthecrowd.他们在人群中坚难行进。

navigationn.航海，航行

navigational

adj.航海的，航行的整理pptReadingListentothetape整理pptcompass整理pptastrolabe整理pptTheastrolabemeasurestheheightandpositionofthesun.Ifyoucanmeasurethisaccurately,asailorcantellhowmanydegreestheboatisfromtheNorthPole.Fromthishecantellwheretheboatisintheocean.整理pptsextant整理pptThesextantisanavigationalinstrumentformeasuringtheanglebetweenthehorizonandsomeobjectinthesky.整理pptquadrant整理pptnauticalchart整理pptNauticalchartsaremapsofthedepthoftheseaandthecurrentsoftheoceans.Theyprovidemodernsailorswithroutesthroughtheseas,ratherlikeroadsthroughthecountryside.Theinformationbegantobecollectedinthenineteenthcenturyandhascontinuedtobeupdatedeversince.整理pptReadingComprehension整理pptComprehending1.Readthepassageandanswerthefollowingquestions.Whatistheuseofabearingcircle,astrolabe,quadrantorsextant?()Whatistheuseofacompass?() A.Tosetthecourseoftheship B.TomeasurethepositionoftheshipC.Tomeasurethespeedoftheship D.TotellthetimeAB整理ppt4.Readthepassageagainandusetheinformationtoanalysethenavigationalskills.整理pptUsingnature1.Tofindtheship’spositionatseaasailorusedtheNorthStarandthesun.2.Asailorknewthatlandwasnearbyifhesaw_________________________________

_______________________.3.Sailorsused________________________

________toincreasetheirspeed.freshseaweed,nestingbirdsreturninghomeintheeveningorfogseacurrentsortidesandwinds整理pptSextant:anupdatedversionofthequadrantandsoitwasmoreaccurate,tomeasuretheanglebetweentwofixedpointsoutsidetheship(usingtwomirrorstofindtheship'sposition).整理ppt1.Howdoyouthinkseamenfoundtheirwaybeforemodernaccuratemethodsofnavigationwereinvented?在现代精确的导航法尚未发明之前,你认为航海员是怎样探路的?ExplanationonP11整理ppt①这是一个“特殊疑问词+doyouthink…”的双重疑问句结构。除think以外believe，guess,suppose等词也可以用于此结构。Whatdoyousupposehashappenedtohim?在Ithink／believe／guess／suppose/imagine等词的句式中，如果从句有否定，否定词应该前移，即否定转移。Idon’tthinkhewillcome．Ithinkhewillnotcome．[正][误]整理ppt1.Ibelieveheisanhonestman,____________2.Wedon’tthinkTomhasbrokentheregulations,_______3.Maryguessedhisfathermusthaveboughtherabeautifulshirt,______

Isn’the?hashe?didn’tshe整理ppt②inventvt．发明，创作；虚构，杜撰AlexanderGrahamBellinventedthetelephonein1876.1876年阿历山大·格雷厄姆·贝尔发明了电话。Thewholestorywasinvented.整个故事是虚构的。

inventor

n．发明者，发明家，创造者

inventionn．发明，创造；发明物整理pptdiscover：invent：Gilbert___________electricity,butEdison_________theelectriclightbulb.Who_____________America?Who_____________thecomputer?客观存在，被人发现客观没有，被人发明discoveredinventeddiscoveredinvented吉尔伯特发现了电，爱迪生发明了电灯。谁发现了美洲？谁发明了电脑？整理ppt2.workout①tocalculateananswer,amount,price,orvalue计算②tothinkaboutsth.andmanagetounderstandit设法弄懂③tothinkcarefullyabouthowyouaregoingtodosth.andplanagoodwayofdoingit精心制定出，安排整理ppteg.⑴Seeifyoucanworkoutthisbill.

⑵Theplotissocomplicatedthatit’lltakeyouawhiletoworkitout.计算弄明白整理ppt⑶Ican’tworkoutGeoff;onedayhe’sfriendly,thenextdayheignoresmecompletely.⑷Ihaven’tworkedoutwho’sgongtolookafterthekidstonight.明白计划整理ppt3.latitude

Ourpositionislatitude40degreesnorth.我们的位置是北纬40度。整理ppt4.longitudeOurpositionislongitude116degreeseast.我们的位置是东经116度。整理ppt5.identify

vt.把…等同于;认出,鉴定,认为同一Iidentifiedthejacketatonce；itwasmybrother’s．Heidentifiesbeautywithgoodness．identifyoneselfwith与……有联系,支持Hepreferrednottoidentifyhimselfwiththatgroup.整理pptidentificationn.辨认,鉴定,证明,视为同一identityn.

同一性,身份,一致,特性,恒等式identitycard

身份证整理ppt1.Wemaywellwonderhowseamenexploredtheoceansbeforelatitudeandlongitudemadeitpossibletoplotaship’spositiononamap.在经纬度未能绘出航船在地图上的位置之前，我们很想知道航海员是怎样在海上探险的。ReadingPage1

整理ppt①may/mightwell很可能，极有可能Theseareexcellentphotographsandwemaywellusetheminourmagazine.这些是很不错的照片，我们很有可能把它们用在我们的杂志上。Youmightwellfindthatyou’llneedmorebytheweekend.到周末你很可能会发现你需要更多东西。整理ppt②主语+think／feel／make／consider…+it+n.／adj.+for／ofsb.todo…其中it为形式宾语，for／of引出动词不定式的逻辑主语。我认为学好英语对他很重要。我已经表明我反对这个计划。IthinkitimportantforhimtolearnEnglishwell．IhavemadeitclearthatIobjecttotheplan.整理ppt2.Thevoyagesoftravelersbeforethe17thcenturyshowthattheywerenotatthemercyoftheseaeventhoughtheydidnothavemodernnavigationalaids.17世纪前的海上航行表明，即使没有现代航海术的帮助，旅行者也没有受大海的支配。整理ppt①voyage

n./vi.航海,航行ThevoyagefromEnglandtoIndiausedtotakesixmonths.过去从英国航行到印度要六个月。goon/make/takeaseavoyage去航海旅行voyagern.航行者,航海者整理ppttrip指休闲或因商的短途旅行journey指从一地出发直达目的地的长途陆路旅行或旅程，不含回到原出发点之意。travel常指到国外或某个遥远的地方去，不强调具体目的地。指具体的旅行时常用复数，用单数一般表示旅行的抽象概念。trip,journey,travel,voyage,tour整理pptvoyage强调较远距离的水上或空中旅行或游历。tour指周游或巡回旅行，常常是访问一系列地方后再回到原出发点。e.g.WewillhaveacomfortablevoyagetotheFarEastthroughair.我们乘飞机去远东旅游将会非常舒适。整理pptThejourneytotheseasidewilltakenotmorethantwodays.到海边去旅行最多需要花费两天时间。Iatoncebeganmakingpreparationsforatriphome.我马上开始为回家做准备。整理pptOurAmericanfriendsaremakingatourofShanghai.我们的美国朋友正在对上海进行巡回旅行。Hecamebackhomeafteryearsofforeigntravel.在多年的国外旅行后他回到了家。整理pptTheyhavegoteverythingreadytomakea_____acrosstheAtlantic.A.trip B.travelC.voyage D.tour整理ppt②atthemercyofwithoutanyprotectionagainst;helplessbefore任由…摆布；在…面前无助Theywerelostatsea,atthemercyofwindandweather.他们在海上迷失了方向,任凭风和天气的摆布。Idon’tliketobeatthemercyofsuchaman.我不愿受这样一个人的摆布。整理ppthavemercyon/showmercyto对……表示怜悯Theterroristsshowednomercytothehostages.恐怖分子对人质残酷无情。withoutmercy毫不留情地Themotherleftthedyingbabyinthehospitalwithoutmercy.那位母亲狠心地把垂死的婴儿丢弃在医院。整理pptIt’samercy(that)(口)幸运的是,幸亏(用于表示更遭的情况得以避免总算是幸运)It’samercytheaccidenthappenedsonearthehospital.幸亏事故发生在离医院很近的地方。It’samercyshewasn’tseriouslyhurt.幸运的是她伤势不重。整理ppt③eventhough=evenif

虽然,即使引导让步状语从句A.引导把握不大或假设的事情Evenifweachievegreatsuccessinourwork,weshouldnotbeproud.即使我们在工作上取得了巨大的胜利，也不能骄傲。整理ppt即便他能通过考试，以后找工作也成问题。.即使他们失败十次也不灰心丧气。Hewillhaveproblemsinfindingajobevenifhecanpasstheexam.Theywouldn’tlosehearteveniftheyfailedtentimes.整理pptB.引出事实Eventhoughhewaslate,hewasnotcriticizedbytheteacher.他虽然迟到了，也没有挨老师的批评。Icanstillremember,eventhoughitwassolongago.虽然这是很久以前的事，我还记得。整理ppt*

TherewasneveranytimeforKatetofeellonely,

shewasanonlychild．A.eversince B.nowthat C.eventhough D.evenas整理ppt*

TherewasneveranytimeforKatetofeellonely,

shewasanonlychild．A.eversince B.nowthat C.eventhough D.evenas整理pptTheminimumrequirementsforthejobareadegreeandtwoyears’experience.

该工作的最低要求是要有学位和两年的工作经验。Youmustgetaminimumof40questionsrighttopasstheexamination.你最少必须答对40道题才能通过考试。整理ppt6.closeadj.

①nearinspaceortime空间上或时间上靠近的②likely可能的③careful小心的整理pptThecountrylifehewasusedto_____greatlysince1992.(2005山东)A.change B.haschangedC.changing D.havechangedI’mnotusedtogettingupsoearly.Clothisusedtomakeclothes.整理ppt

Maybeyouhavebeentomanycountries,butnowhereelse_____suchabeautifulpalace.(2004辽宁)A.canyoufindB.youcouldfindC.youcanfindD.couldyoufind整理ppt1.secureadj.安全的,可靠的,放心的,无虑的v.

保护,使安全Ourhouseissecurefromflood.我们的房子没有被淹的危险。Somemeasuresareneededtosecurethebankfromaflood.这道堤防需要采取一些措施,免得被洪水冲坏。Page2整理ppt*Allowchildrenthespacetovoicetheiropinions,_____theyaredifferentfromyourown.(05湖南)A.until B.evenifC.unless D.asthough整理ppt3.alongside

prep.=bythesideof;sidebysidewith在……旁边；与……并排adv.=along,near,at,ortotheside在……旁边，近旁，沿着边Heparkedhiscaralongsidethefence.他把车沿着围墙停放。Acardrewupalongside.一辆汽车开上来并排而行。整理ppt4.minimum(min)

adj.最小的,最低的n.最小值,最小化。其反义词为maximum(max)

adj.最高的,最多的,最大极限的n.最大量,最大限度,极大整理pptTheminimumrequirementsforthejobareadegreeandtwoyears’experience.

该工作的最低要求是要有学位和两年的工作经验。Youmustgetaminimumof40questionsrighttopasstheexamination.你最少必须答对40道题才能通过考试。整理pptkeep/reducesth.toaminimum

将某物保持在/降低到最低限度Theschoolmanagestokeepbullyingtoaminimum.学校设法最低限度得减少恃强凌弱的行为。Themaximumnumberofstudentsineachclassis58.每个班学生人数的最高限额是58名。整理pptWemustmakemaximumuseoftheresourcesavailable.我们必须最大限度地利用可得到的资源。Temperaturewillreachamaximumof40℃here.这儿的最高气温将达40摄氏度。整理ppt5.indicatevt.

指出,显示,象征,预示,需要,简要地说明Iaskedhimwheremysisterwasandheindicatedtheshopopposite.我问他姐姐在哪儿,他朝对面的商店指了一下。Iindicatedthathishelpwasnotwelcome.我表明他的帮助不受欢迎。整理ppt6.closeadj.

①nearinspaceortime空间上或时间上靠近的②likely可能的③careful小心的整理pptclosetodeath

离死亡不远takeacloselookatsth.严密注意某物keepaclosewatch/eyeon仔细地看整理pptTheychoseaspotclosetotheriverfortheirpicnic.他们选择了一个离河不远的地方进行野餐。Yourbirthdayisclosetomine.你的生日离我的生日相隔不长。Thetwocountriesareclosetosigningapeaceagreement.两国即将签署和平协议。整理ppt7.usedtodo表过去习惯化的动作或状态be/become/getusedtodoing/n.习惯于(to为介词)beusedtodo为被动语态，表示“被用来做某事”IusedtogoswimmingonSaturdaysbutnowIdon’t.整理pptThecountrylifehewasusedto_____greatlysince1992.(2005山东)A.change B.haschangedC.changing D.havechangedI’mnotusedtogettingupsoearly.Clothisusedtomakeclothes.整理pptusedtodo与would用法对比1.usedtodo表示过去的动作、状态,重在与现在情况的对比,不一定要有时间状语。would只表示过去动作的重复,有明确的时间状语。

IwouldgotoseemygrandfatheronSundaywhenhewasinthemiddleschool.Iusedtoplaycardsalot,butnowIseldomplay.整理ppt2.表示过去的习惯,可互换。Whenwewereveryyoung,weusedto/wouldgoskatingeverywinter.注:usedtodo的否定式:usedn’ttodo/didn’tusetodo(usedn’t也可写作usen’t.)疑问式:Didyouusetodo…?/Usedyoutodo…?Didn’tyouusetodo…?/Usedn’tyoutodo…?整理ppt8.nowhereadv.无处,到处都无

该词用于句首时，要用倒装语序。Ihavenojobandnowheretolive.我没工作，也没地方住。NowherecouldIseehim.我哪儿也看不到他。整理ppt

Maybeyouhavebeentomanycountries,butnowhereelse_____suchabeautifulpalace.(2004辽宁)A.canyoufindB.youcouldfindC.youcanfindD.couldyoufind整理ppt9.offshore

adj./adv.向海面吹的,离岸的,海面上的,海上/下作业的offshoreworkers

海上作业的工人offshorebank/company/investment境外银行/公司/投资整理pptoffshorewind/currentetc.从陆地吹向海面的风/离岸的潮流Thestormmovedoffshore.风暴离岸移动。Aboatmooredoffshore.船在近海下锚。整理ppt10.acceleratevi./vt.=to(causeto)movefaster

加速,促进Sheacceleratedhercarandpassedthebusinfront.她加快车速超过了前面的公共汽车。Thecarsuddenlyaccelerated.那辆车突然开始加速。整理ppt1.secureadj.安全的,可靠的,放心的,无虑的v.

保护,使安全Ourhouseissecurefromflood.我们的房子没有被淹的危险。Somemeasuresareneededtosecurethebankfromaflood.这道堤防需要采取一些措施,免得被洪水冲坏。Page2整理pptsecurityn.安全，保安，保护SecuritywastightduringthePresident’svisit.总统来访期间，保安工作十分严密。Forsecurityreasonsthevisitorsweresearched.为了安全起见，来宾受到了检查。整理ppt2.no/not/never…until…直到……才Washisfatherverystrictwithhimwhenhewasatschool?Yes.Hehadneverpraisedhim_____hebecameoneofthetopstudentsinhisgrade.(03北京春) A.after B.unless C.until D.when整理ppt整理ppt整理ppt9、静夜四无邻，荒居旧业贫。。2022/12/262022/12/26Monday,December26,202210、雨中黄叶树，灯下白头人。。2022/12/262022/12/262022/12/2612/26/20226:59:36PM11、以我独沈久，愧君相见频。。2022/12/262022/12/262022/12/26Dec-2226-Dec-2212、故人江海别，几度隔山川。。2022/12/262022/12/262022/12/26Monday,December26,202213、乍见翻疑梦，相悲各问年。。2022/12/262022/12/262022/12/262022/12/2612/26/202214、他乡生白发，旧国见青山。。26十二月20222022/12/262022/12/262022/12/261