Unit2Topic2SectionD【學習目標】1.復習本話題所學詞匯、句型和語法。2.通過whquestions(如:what,why等),理解短文意思,讀懂有關自然資源的文章。3.通過對水資源現狀的了解,認識到自然資源對人類的重要性,加入保護環境、珍惜資源的隊伍中。【預習導學】一、生詞速查1.v.防止,避免

2.n.發現,找到→n.發現→

v.覆蓋

3.adj.缺水的;(口)渴的

4.adv.幾乎,將近

5.n.法律,法令;定律

二、短語速記1.大量

2.解決問題

3.一天天地

4.被……覆蓋

5.短缺;缺少

6.飲用水

7.淡水

三、句子速譯1.Howcanweavoidaseriouswatershortage?______________________________________________________________2.Butpeople'sneedforwaterisincreasingdaybyday.______________________________________________________________3.Whilenearly3/4oftheearthiscoveredwithwater,wearestillshortofdrinkingwater.______________________________________________________________4.Theseaseemstohavethebestanswer.______________________________________________________________5.Let'stryourbesttosavewaterandourplanet.______________________________________________________________四、想一想預習課本1a,展示幾幅貧困地區人們缺乏生活用水的圖片,讓學生討論下列問題。1.Whyarethepeoplethereshortofwater?______________________________________________________________2.Howcanweavoidaseriouswatershortage?______________________________________________________________【答案】一、1.avoid2.discoverdiscoverycover3.thirsty4.nearly5.law二、1.plentyof2.solvetheproblem3.daybyday4.becoveredwith5.beshortof6.drinkingwater7.freshwater三、1.我們怎么才能避免水資源嚴重短缺?2.但人們對水的需求正與日俱增。3.雖然地球表面近四分之三被水覆蓋,但我們仍舊缺乏飲用水。4.大海似乎有最好的答案。5.讓我們盡力節約水,挽救地球吧。四、1.Becausethewaterthereisseriouslypolluted.2.Weshouldsavewaterandnotwasteit.Weshouldalsostoppeoplepollutingwater.【合作探究】任務驅動一重點歸納獨自完成課本Grammar部分的填空。ofuslikespollution.

Don'tspitinpublic.

shouldcareforwildanimalsandplantmoretrees.

Weshoulddowecantoprotecttheenvironment.

任務驅動二閱讀訓練1.讀課文第一遍,用正確的順序排列段落。(Key:)

2.讀課文第二遍,找出每一段的中心句。第一段中心句:______________________________________________________________第二段中心句:______________________________________________________________第三段中心句______________________________________________________________3.讀課文第三遍,回答課本1b的問題。(1)Whyisourworldthirstywhen3/4oftheearthiscoveredwithwater?______________________________________________________________(2)Whatcanwedonowtoavoidthewatershortage?______________________________________________________________(3)Whatwillbethebestwaytosolvetheprobleminthefutureinthepassage?______________________________________________________________任務驅動三小組討論1.小組討論保護和節約水的不同方法,每組派代表進行全班展示。NamesWaysofprotectingandsavingwater2.寫一篇校學生會發出的關于節約用水的倡議書。Mydearfriends,Waterisveryimportanttohumanbeings.Let'sdosomethingtoprotectandsaveit.First,Second,Third,Let'stryourbesttosavewaterandourplanet.【答案】任務驅動一NoneanywhereEveryoneeverything任務驅動二1.3212.Althoughtheworldishungry,itiseventhirstier.Howcanweavoidaseriouswatershortage?Theseaseemstohavethebestanswer.3.(1)Becauseabout97%ofthewaterontheearthisseawater.wecan'tuseitforwateringplantsordrinkingdirectly.(2)First,weshouldsavewaterandnotwasteit.Second,weshouldprotectourwaterresourcesandnotpollutethem.Third,weshoulddiscoverwaystoreusewater.(3)Tofindcheaperwaysoftakingthesaltawayfromtheseawater.任務驅動三2.Mydearfriends,Waterisveryimportanttohumanbeings.Let'sdosomethingtoprotectandsaveit.First,weshouldprotectourwaterresourcesandnotpollutethem.Thegovernmentshouldalsopasslawsagainstthewaterpollution.Second,weshouldsavewaterinourdailylife,turnoffthetapsintime,takeashowerinsteadofabath,andalwaysremembertocollectandreusewater.Third,let'strytospreadthemessageaboutprotectingandsavingwater.Makemorepeoplearoundusknowtheproblemofwatershortageandhowtohelpsolveit.Let'stryourbesttosavewaterandourplanet.StudentUnion【知識超市】[命題點一]avoid的用法

●Howcanweavoidaseriouswatershortage?我們怎樣避免嚴重的水短缺?◎觀察思考:1.Hehasbeenavoidingme/myeyesallweek.整整一個星期他一直在回避我/躲避我的目光。2.Weshouldavoidtalkingwithstrangers.我們應該避免與陌生人說話。◎用法總結:avoid作動詞,意為“防止;避免”。在用法上可以構成如下結構:1.avoidsb./sth.,意為“避開某人/某事”。2.avoiddoingsth.,意為“避免做某事”。對點自測按要求完成下列句子1.Noonecanbeperfectandavoid(make)mistakes,sowhatwecandoistolearnsomethingfromthem.(填空)

2.為了避免路上交通擁擠,有些人寧愿夜間驅車出行,白天休息。(翻譯句子)Inordertoontheroads,somepeopleprefertotravelatnightandrestduringtheday.

【答案】1.making2.avoidtheheavytraffic[命題點二]seem的用法

●Theseaseemstohavethebestanswer.大海似乎有最好的答案。◎觀察思考:1.Tomseems(tobe)averycleverboy.湯姆看上去是一個很聰明的男孩。2.Everythingseemseasy.一切似乎很容易。3.Themoonseemstochangeitsshape.月亮好像在變換形狀。4.Itseemsthatyouwerelying.看來你在說謊。◎用法總結:seem用作連系動詞或不及物動詞,意為“似乎;好像;看來”。常用在以下結構中:1.“主語+seem+(tobe)+表語”此時seem為連系動詞,后直接接形容詞或tobe+形容詞或名詞(短語)作表語,以說明主語的特征或狀態。2.主語+seem+不定式3.seem常用于it作形式主語的“Itseems/seemedthat...”結構中。該結構中it作形式主語,“that...”是真正的主語。對點自測把下列句子翻譯成英語1.他似乎病了。___________________________________________