山东省淄博市淄川般阳中学高中英语《Module 4 Sandstorms in Asia》课件4 外研版必修3.ppt

module4sandstormsinasia learninggoals 1 learnsomewordsandtheirusagesinthismodule 2 learntowriteashortpassageaboutenvironment 一 学情调查 情境导入 1 n 主修科目v 主修a 主修的 主要的2 因此 结果3 保护v n 4 持续了10小时5 突然遭遇 恶劣天气等 6 砍伐 树木 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 沙尘暴 龙卷风 飓风 台风 地震 海啸 洪水 闪电 雷暴 火山喷发 sandstorm tornado hurricane typhoon earthquake tidalwave tsunamiflood lightning thunderstorm volcaniceruption 沙尘暴形成有三个要素 即强风 沙源和不稳定的空气 除上述三大因素之外 人类生产活动等因素对沙尘暴的形成也很重要 如人为破坏植被 工矿交通建设 大规模施工等对地表的破坏 为沙尘暴发生发展提供了细沙和尘土 centralasia northamerica centralafrica australia 二 问题展示 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 她说 要是没什么事情阻碍她的话 她就来看我 1 prevent prevent n ifnothingpreventedher prevent n from doing 我们必须阻止禽流感的蔓延 wemustpreventbirdflu from spreading keywords 表示 阻止某人做某事 的三个短语是 preventsb from doingsth stopsb from doingsth keepsb fromdoingsth 2 major 1 adj 主要的 主修的n 大学的 主修科目 主修学生vi 主修majorin englishismymajorsubject hismajorislikelytobeitinthefuture heislikelytomajorinitinthefuture 3 becaughtin 突然遭遇 恶劣天气等 我被大雨淋了 iwascaughtintheheavyrain becaughtinin 遇到 陷入 tom andwaslateforwork 汤姆遇上堵车 上班迟到了 wascaughtinthetrafficjam 4 cutdown 1 砍倒 manybigtreesalongtheroadshavebeencutdownforbuildinghouses 2 降低 削减 thisfactory sproductionhasbeencutdown 3 改小或缩短 thetailor mydress 裁缝正在把我的衣服改小 路边的许多大树都被砍倒建房了 这家工厂的产量减少了 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 保护环境从我做起 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 为了种地建房 人们毁坏森林破坏草皮 cutdown 2 土地沙漠化变得如此的严重 每年都有许多可怕的沙尘暴发生 so that peoplecutdowntreesanddigupgrasstobuildhousesandgrowmorecrops desertificationbecomessoseriousthatitcausesmanyterriblesandstormseveryyear 3 沙尘暴成为许多国家正面临的一个主要问题 严重地影响了人们的生活 major 4 有时人们很难幸存于一场沙尘暴中 survive sandstormshavebecomeamajorproblemthatmanycountriesarefacing havingagreateffectonpeople slives sometimesit sdifficultforpeopletosurviveasandstorm 5 为了防止沙尘暴 我们应该多种树 保持生态平衡 prevent topreventsandstorms weshouldplantmoretreesandkeepthebalanceofnature he 经历 greatdifficultyingettingavisatoleavethecountry 2 shepreparedforall 可能性 bytakingasunhat araincoatandawoollyscarf 3 幸运的是 iwasabletokeepthecarincontroluntilicouldpulloverandstop 4 noonehasgivenouta 警告 oftheimminentdanger 5 theflooddidalotof 损害 tothecrops 6 thatplanecrash 发生 onlyminutesaftertake off 考考你 experienced possibilities fortunately warning damage occurred 7 tornadoesare 强烈的 whirlwindswhichvaryintheirwidthfromafewyardsto1300feet 8 applicantsforthejobmusthave 先前的 experience 9 policeareinvestigatingthe 原因 oftheexplosion 10 ourhotelhasa 世界范围的 reputationforgoo