高中英語《Module 4 Sandstorms in Asia》課件4 外研版必修3.ppt

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Module4SandstormsinAsia LearningGoals 1 Learnsomewordsandtheirusagesinthismodule 2 Learntowriteashortpassageaboutenvironment 一 學(xué)情調(diào)查 情境導(dǎo)入 1 n 主修科目v 主修a 主修的 主要的2 因此 結(jié)果3 保護v n 4 持續(xù)了10小時5 突然遭遇 惡劣天氣等 6 砍伐 樹木 7 如此 以至于8 阻止某人做某事 major protect protection last for 10hours becaughtin cutdown trees so that preventsb fromdoingsth asaresult DisastersofNature 沙塵暴 龍卷風(fēng) 颶風(fēng) 臺風(fēng) 地震 海嘯 洪水 閃電 雷暴 火山噴發(fā) sandstorm tornado hurricane typhoon earthquake tidalwave tsunamiflood lightning thunderstorm volcaniceruption 沙塵暴形成有三個要素 即強風(fēng) 沙源和不穩(wěn)定的空氣 除上述三大因素之外 人類生產(chǎn)活動等因素對沙塵暴的形成也很重要 如人為破壞植被 工礦交通建設(shè) 大規(guī)模施工等對地表的破壞 為沙塵暴發(fā)生發(fā)展提供了細沙和塵土 CentralAsia NorthAmerica CentralAfrica Australia 二 問題展示 合作探究 Sandstormshavebeena disasterformanyAsiancountries Theyare frightening apersonwhohas onethinksthattohave itisaterribleexperience Nowpeople moretreesanddigupmoregrass sandstormsappeartohaveincreasedinrecentyears To thesituationbecomingworse thegovernmentisplantingmoretrees major so that survived beencaughtin cutdown Asaresult prevent prevent major becaughtin surviveso that cutdown asaresult Shesaidshewouldcometoseeme 她說 要是沒什么事情阻礙她的話 她就來看我 1 prevent prevent n ifnothingpreventedher prevent n from doing 我們必須阻止禽流感的蔓延 Wemustpreventbirdflu from spreading Keywords 表示 阻止某人做某事 的三個短語是 preventsb from doingsth stopsb from doingsth keepsb fromdoingsth 2 major 1 adj 主要的 主修的n 大學(xué)的 主修科目 主修學(xué)生vi 主修majorin Englishismymajorsubject HismajorislikelytobeITinthefuture HeislikelytomajorinITinthefuture 3 becaughtin 突然遭遇 惡劣天氣等 我被大雨淋了 Iwascaughtintheheavyrain becaughtinin 遇到 陷入 Tom andwaslateforwork 湯姆遇上堵車 上班遲到了 wascaughtinthetrafficjam 4 cutdown 1 砍倒 Manybigtreesalongtheroadshavebeencutdownforbuildinghouses 2 降低 削減 Thisfactory sproductionhasbeencutdown 3 改小或縮短 Thetailor mydress 裁縫正在把我的衣服改小 路邊的許多大樹都被砍倒建房了 這家工廠的產(chǎn)量減少了 iscuttingdown situation1 GroupA AReporterfromCCTV channel9GroupB Apersonwhoiscyclinginasandstorm Task Thereporterisinterviewingthepersonabouthowhe shefeelswhencyclinginasandstorm cyclinginasandstorm blowburyfrightening dangerouswearamaskthick brown yellowdustdifficulttobreatheterribleexperiencesandstormlast situation2 GroupA Aworkerwhoiscuttingdowntreeswithoutapermit GroupB AreporterfromCCTV channel9 Task Thereporterisinterviewingtheworkerandtriestomakehimrealizethebadeffectsontheenvironmentofcuttingdowntrees thebadeffectsontheenvironmentofcuttingdowntrees CausesandstormWashtheearthawayGlobalwarming situation3 GroupA AreporterfromCCTV channel9GroupB Avolunteer 志愿者 whoprotectstheenvironment Task Thereporterisinterviewingthevolunteeronhis heropinionontheenvironmentalprotection 保護環(huán)境從我做起 Howtoprotecttheenvironment Let sgocycling WhatShouldWeDotoHelpProtecttheEnvironment Iwillcycletoworkinsteadofdrivingmycar Part1 Heading Part2 Apicture Part3 Moreinformation Structureofaposter Task Designaposterthatencouragespeopletoprotecttheenvironment Aposter Helptheplanet Homework 1 Finishyourposter 2 Evaluateyourgroupmembers performanceonoralEnglish peoplecutdowntreesanddigupgrasstobuildhousesandgrowmorecrops desertificationbecomessoseriousthatitcausesmanysandstormseveryyear sandstormshavebecomeamajorproblemthatmanycountriesarefacing havingagreateffectonpeople slives Sometimesit sdifficultforpeopletosurviveasandstorm Topreventsandstorms weshouldplantmoretreesandkeepthebalanceofnature Inrecentyears Gradually Nowadays therefore Sometimes Thebadweatherpreventedus theprojectontime tocompleteB completedC completingD fromcomplete 2 Ifcitynoises fromincreasing people shouttobeheardevenatthedinnertable20yearsfromnow arenotkept willhavetoB arenotkept havetoC donotkeep willhavetoD donotkeep haveto C A 1 The aimoftheairraidwasthecompletedestructionofthecity A mostB mostlyC majorD majority 2 Itwasunbelievablefor littlechildrentocover manymilesin toughweather A such so suchB so so suchC such such soC so such so C A 3 Insuchdryweathertheflowerswillhavetobewateredifthey A havesurvivedB aretosurviveC wouldsurviveD willsurvive 4 Thegovernmentmusttakemeasurestopreventrivers A pollutedB pollutingC frompollutingD beingpolluted B D 5 Withtheelectricity allthemachinesstopped A cutoffB cutdownC wascutoffD wascutdown6 Iftrafficmovesatlowspeed thenumberofaccidentsis A pulledbackB cutdownC cutoffD turnedoff A B 7 Whenthemotherreturned shesawherson vegetablesintopieces A cutdownB cutupC tocutdownD tocutup8 ThemomentIbegantospeak he A cutdownB cutoffC cutinD cutup B C 9 Astormisprobabletocome Let shurrysoasnotto it A catchB becaughtC becaughtinC catchin C 1 為了種地建房 人們毀壞森林破壞草皮 cutdown 2 土地沙漠化變得如此的嚴重 每年都有許多可怕的沙塵暴發(fā)生 so that Peoplecutdowntreesanddigupgrasstobuildhousesandgrowmorecrops Desertificationbecomessoseriousthatitcausesmanyterriblesandstormseveryyear 3 沙塵暴成為許多國家正面臨的一個主要問題 嚴重地影響了人們的生活 major 4 有時人們很難幸存于一場沙塵暴中 survive Sandstormshavebecomeamajorproblemthatmanycountriesarefacing havingagreateffectonpeople slives Sometimesit sdifficultforpeopletosurviveasandstorm 5 為了防止沙塵暴 我們應(yīng)該多種樹 保持生態(tài)平衡 prevent Topreventsandstorms weshouldplantmoretreesandkeepthebalanceofnature He 經(jīng)歷 greatdifficultyingettingavisatoleavethecountry 2 Shepreparedforall 可能性 bytakingasunhat araincoatandawoollyscarf 3 幸運的是 IwasabletokeepthecarincontroluntilIcouldpulloverandstop 4 Noonehasgivenouta 警告 oftheimminentdanger 5 Theflooddidalotof 損害 tothecrops 6 Thatplanecrash 發(fā)生 onlyminutesaftertake off 考考你 experienced possibilities Fortunately warning damage occurred 7 Tornadoesare 強烈的 whirlwindswhichvaryintheirwidthfromafewyardsto1300feet 8 Applicantsforthejobmusthave 先前的 experience 9 Policeareinvestigatingthe 原因 oftheexplosion 10 Ourhotelhasa 世界范圍的 reputationforgoodservice violent previous causes worldwide 預(yù)習(xí)指導(dǎo) 新課鏈接 預(yù)習(xí)課題 SandstormsinAsia預(yù)習(xí)目標 1 閱讀課文 并理解其大意2 找出課文中重點句型 并背誦 1 SandstormshavebeenamajordisasterformanyAsiancountriesforcenturies 2 Tohavenbeencaughtinasandstormwasaterribleexperience 3 ItwasthemostfrighteningandthemostdangeroussituationI veeverbeenin 4 Thisisaprocessthathappenswhenlandbecomesdesertbecauseofclimatechangesandbecausepeoplecutdowntreesanddigupgrass 5 Whenasandstormarrivesinthecity weatherexpertsadvisepeoplenottogoout 6 Alreadythegovernmenthasplantedmorethan30billiontreesandplanstocontinueplantingforthenextfiveyears Godhelpsthosewhohelpthemselves