人教版高中英语必修第一册精品课件 Unit 4 NATURAL DISASTERS Section Ⅰ Listening and Speaking.ppt

(3)Someparentswanttosheltertheirkidsfromeverykindofdanger.许多父母想保护他们的孩子不受任何危险的侵害。(4)Wewereshelteringfromtheraininadoorwayatthattime.那时我们正在一个门口避雨。学以致用完成句子(1)我们应该找个避风的地方。Weshouldfindthewind.?(2)人们种树使这个地区免受强沙尘暴的侵袭。Treeswereplantedstrongsandstorms.?(3)我们坐在树下,躲避日晒。Wesatunderthetree,thesun.?ashelterfromtosheltertheareafromshelteringfrom句型剖析【教材原文】Thinkaboutwhatyouarelisteningforbeforeyoulisten:numbers,dates,times,addresses,activities,peopleorplaces,reasons,etc.(page48)听之前想一下你要听的目的:数字、日期、次数、地址、活动、人物或地点、原因等。句法分析before引导的是时间状语从句,修饰主句Thinkaboutwhatyouarelisteningfor,在主句中what引导宾语从句。语境领悟(1)Tellmewhathappenedtoherlastnight.告诉我昨天晚上她怎么了。(2)Makesurethatyouturnoffthelightsbeforeyouleave.确保在你离开前关上灯。学以致用单句语法填空(1)Hewantedtoknowhissisterwasdoingathomewhenhisparentswereout.?(2)Itwassometime?Irealisedthetruth.?whatbefore发音提示清辅音和浊辅音以及以-ed结尾的词的发音规则1.清辅音和浊辅音的发音规则清辅音:/p//t//k//f//θ//s//?//t?//tr//ts/浊辅音:/b//d//ɡ//v//e//z//?//d?//dr//dz/清辅音:发音时声带不震动,送气。浊辅音:发音时声带震动,不送气或送气力量较弱。如/p/是个爆破音,发/p/音时,首先紧闭双唇,阻止气流流出,然后突然分开双唇,气流冲出口腔,同时发出爆破的声音,发音时,声带不震动;/b/是个浊辅音,发音时,送气力量较弱,声带震动。2.以-ed结尾的词的发音规则动词以清辅音结尾时,读/t/,如talked;以浊辅音或者元音结尾时,读/d/,如begged,flied;以t或d结尾时读/Id/,如visited,pretended。语境领悟朗读下列句子,感悟黑体字母及字母组合的发音。1.IbetPeterdidthat.2.TomtastedDadsdarkchocolate.3.Shewashedhundredsofclothes.4.Childrenarelookingfororangethings.随堂训练一、朗读下列单词,选出画线部分读音与其他三个不同的单词1.A.stopped B.worried C.kicked D.passed2.A.affect B.erupt C.castle D.terrible3.A.thousand B.earth C.strength D.those4.A.sport B.percent C.perhaps D.friendship5.A.watch B.school C.chicken D.cheap答案:1.B2.C3.D4.A二、单词拼写1.Thefarmerssufferedagreatlossbecauseofvariousnatural(灾害).?答案:disasters2.The(久旱)hascausedmanycropstodie.?答案:drought3.Thed