冀教八年级下册Unit3+Animals+Are+Our+Friends+L17+save+the+tigers.ppt

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1、Lesson17SavetheTigerstheBengaltigertheSiberiantiger[sai'biəriən][beŋ'ɡɔ:l]Therearecurrentlysixtypesoftigers:['kʌrəntlɪ]西伯利亚虎孟加拉虎theSumatrantigertheMalayantiger[su'mɑ:trən][mə'leiən]苏门答腊虎马来亚虎theIndochinesetigertheSouthChinatiger印度支那虎华南虎1.tounderstandthetextwell2.Tousethenewwordsandexpressionscor

2、rectly:3.Toknowtheurgencyofprotectingtigerscenturyfursymbolcouragebravechainn.世纪n.（兽类的）毛n.标志，象征n.勇气，胆量adj.勇敢的，无畏的n.链子；链条Wordsandexpressionsbalancereasondisappearkillcutdecreasen.平衡，平稳n.原因，动机，理由v.消失，失踪v.杀死v.砍，切，剪，割v.使……变小；减少WordsandexpressionsListencarefully!ListenandcorrectyourpronunciationsRea

3、dthelessonandanswerthequestions.Task11.Howmanytigerswerethereatthebeginningofthe20thcentury?2.Howmanytigersarethereinthewildtoday?3.Whatdotigerssymbolize?4.Howaretigersdescribedinmanystories?5.Whatisthereasontigersareimportanttotheenvironment?6.Whydopeoplehuntandkilltigers?7.besidesbeinghunteda

4、ndkilled,whatisanotherreasontigersaredisappearing?Referenceanswer.1.Howmanytigerswerethereatthebeginningofthe20thcentury?Around100000.2.Howmanytigersarethereinthewildtoday?afewthousand.3.Whatdotigerssymbolize?strengthandcourage.4.Howaretigersdescribedinmanystories?brave.5.Whatisthereasontigersa

5、reimportanttotheenvironment?helpkeepthenumberofotherwildanimalsinbalance.6.Whydopeoplehuntandkilltigers?formoney.7.besidesbeinghuntedandkilled,whatisanotherreasontigersaredisappearing?Peoplehavecutdownalotoftreesaswell.Asforestsdisappear,tigerslosetheirhomes.Task2Readthelessonandmatcheachparagr

6、aphwithitsmainidea.BCA翻译下列的短语。1.在……之初2.下降到；跌至3.食物链4.保持平衡5.处于危险状态6.把……砍到，减少7.还，也atthebeginningof…droptofoodchaininbalanceindangercutdownaswell1.Atthebeginningofthe20thcentury,thenumberoftigersinthewildwasaround100000.在二十世纪初期，野生老虎的数量大约是十万只。thenumberof意为“……的数量”，跟复数名词连用作主语时，中心词是number，谓语动词要用单数。Lang

7、uagepointsanumberof（1）表示“许多”，相当于many，修饰可数名词复数。（2）作主语时，谓语动词用复数。（3）number前可用large，small等修饰，表示程度。例如：1.我们班同学的数量是42Thenumberofstudentsinourclassis42.2.这本书有60页Thenumberofpagesinthisbookis60.3.许多同学在山上植树Anumberofstudentsareplantingtreeson