Unit4NaturalDisastersListeningandSpeaking課件-高中英語人教版（精修版）

必修一

Unit4NaturalDisastersPart1ListeningandSpeaking?What’sgoingoninthisphoto??Whatkindofdisasterisit??Whatmayhappeninthisdisaster?Ateamofsoldiersarerescuingsomebodyfromacollapsedbuilding.Anearthquake(becausethereareruins,injuredpeopleandsoldiers).

LookatthephotoontheOpeningPageandanswerthefollowingquestions.【詞匯清障】1.anatural________

一場自然災(zāi)害2.asmall________

一場小龍卷風(fēng)3.asevere________

一場嚴(yán)重的干旱4.causea_________

引起山體滑坡5.newsaboutthe_______

有關(guān)洪水的消息6.volcanic_________

火山噴發(fā)7.a7.8-magnitude___________

一場級地震8.the_______

workers

救援人員9.________

thebuildings

毀壞樓房disastertornadodroughtlandslidefloodseruptionearthquakerescuedamage10.________

lotsofhomes

摧毀大量房屋11.almost88,000people_________

大約88000人撤離destroyevacuate點擊圖片播放視頻tornadotsunamiearthquakewildfirefloodWatchthevideoNaturalDisastersandlookatthephotos.Writedownthenamesofthesedisasters.earthquaketornadowildfiredroughtlandslidetsunamifloodvolcaniceruptionListentothenewsreportsandtickthedisastersthatyouhear.ListenfordetailsThinkaboutwhatyouarelisteningforbeforeyoulisten:numbers,dates,times,addresses,activities,peopleorplaces,reasons,etc.Gothroughthelearningstrategy.QuestionTypeofinformationAnswer1.WhatwasthemagnitudeoftheearthquakeinEcuador?number2.HowmanypeoplewerekilledorinjuredinEcuador?

3.Wherearethefloods?4.Whataretherescueworkersandsoldiersdoingintheflood-hitarea?5.WhendidpeopleseethetornadoinMemphis?6.WhichbuildingsweredamagedinSeoul?7.WhatcausedthelandslideinSeoul?About230peoplewerekilledandmorethan1,500wereinjured.centralChinaTheyareworkingdayandnighttomakesurethatpeoplearesafe.at9:25a.m.alibraryandasupermarkettheheavyrainthathasfalleninthelastweeknumberplaceactivitiestimeplacereasonCirclethekeyword(s)inthequestionsbelowandwritethekindofinformationtheyreferto.Thenlistenagainandanswerthequestions.AfloodinColombo,SriLanka,haskilled82people.Theflood,whichbeganinMay,hasaffectednearly500,000people.Rescueteamsareprovidingfoodandwater,andsheltershavebeensetupbythegovernment.Readaboutthedisastersbelowandprepareashortnewsreportononeofthem.Thenpresentyournewsreporttoapartner.【語音技巧】輔音按照發(fā)聲時聲帶的振動模式分為清輔音和濁輔音。清輔音:發(fā)音時聲帶不振動;濁輔音:發(fā)音時聲帶振動。1.清輔音和濁輔音的發(fā)音技巧輔音類別示例/p/pay,peach,supply,speed,spend/t/foot,sit,team,table,student,stop/k/kiss,class,clock,cat,sky,skirt/f/life,first,fast,father,far,photo/s/face,stop,study,star,sad,nice/?/fish,wish,wash,shirt,short/θ/three,thank,mouth,tooth,think/h/home,horse,house,he,his,him/tr/tree,try,train,trip,true,street/t?/cheap,chair,check,child,watch清輔音輔音類別示例/b/bee,buy,but,black,blue,basket/d/dog,do,sad,bad,dadbig,get,good,guest,glass/v/very,never,five,fever/z/busy,easy,nose,zero/?/usual,pleasure,decision/e/that,these,there,father,brother/r/red,room,run,right,rat,rose/dr/driver,dress,draw,dry/d?/large,cage,bridge,change,job注意(1)在/s/后/p/要讀成相應(yīng)的濁輔音/b/(2)在/s/后/t/要讀成相應(yīng)的濁輔音/d/

(3)在/s/后/k/要讀成相應(yīng)的濁輔音濁輔音2.以-ed結(jié)尾的單詞的發(fā)音規(guī)律(1)在清輔音/p//t//k//f//s//h/等后讀/t/,如:watched,marked,finished,stopped,cooked等。(2)在濁輔音

/v//z//r//m//n/等后或元音后讀/d/,如:cleaned,played,prepared等。(3)在/t//d/后讀/Id/,如:painted,started,visited,minded等。?pipebrick?tenddeath?keenglory?fondview?thinkthey?campusamaze?flashgarage?Frenchbridge?trulydraw?eventsfriendsListenandrepeat.Payattentiontothelettersinbold./?d//t//d/beggedbreatheddescribedconcentratedconfuseddebatedexchangedhelpedlaughedlearneddependedembarrassedpretendedreservedshockedviewedwatchedwishedbegged,breathed,described,confused,exchanged,learned,reserved,viewedhelped,laughed,embarrassed,shocked,watched,wishedconcentrated,debated,depended,pretendedReadthewordsaloud.Payattentiontothepronunciationofthe-edendings.Thenwritethewordsintheboxes.1.在清輔音/p/、/t?/、/k/、/f/、/s/、/?/等后讀/t/，如：helped、laughed、embarrassed、shocked、watched、wished。2.在濁輔音和元音/b/、/e/、/g/、/v/、/z/、/n/等后讀/d/，如：

begged、breathed、described、confused、exchanged、learned、

reserved、viewed。3.在音標(biāo)/t/、/d/后讀/?d/，如:concentrated、debated、depended、

pretended。Readthewordsaloud.Payattentiontothepronunciationofthe-edendings.Th