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

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.Tousethenewwordsandexpressionscorrectly: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!ListenandcorrectyourpronunciationsReadthelessonandanswerthequestions.Task11.Howmanytigerswerethereatthebeginningofthe20thcentury?2.Howmanytigersarethereinthewildtoday?3.Whatdotigerssymbolize?4.Howaretigersdescribedinmanystories?5.Whatisthereasontigersareimportanttotheenvironment?6.Whydopeoplehuntandkilltigers?7.besidesbeinghuntedandkilled,whatisanotherreasontigersaredisappearing?Referenceanswer.1.Howmanytigerswerethereatthebeginningofthe20thcentury?Around100000.2.Howmanytigersarethereinthewildtoday?afewthousand.3.Whatdotigerssymbolize?strengthandcourage.4.Howaretigersdescribedinmanystories?brave.5.Whatisthereasontigersareimportanttotheenvironment?helpkeepthenumberofotherwildanimalsinbalance.6.Whydopeoplehuntandkilltigers?formoney.7.besidesbeinghuntedandkilled,whatisanotherreasontigersaredisappearing?Peoplehavecutdownalotoftreesaswell.Asforestsdisappear,tigerslosetheirhomes.Task2Readthelessonandmatcheachparagraphwithitsmainidea.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。anumberof（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Anumberofstudentsareplantingtreesonthehill.2.Buttodaythatnumberhasdroppedtoafewthousand.但是现在，数量已经下降到几千只。afewthousand表示“几千”。当hundred,thousand前面是基数词one,two,three…afew,many时，其后不加s。当hundred和thousand后面加s时，需要跟of修饰可数名词复数。例如：我们学校有3000学生。Therearethreethousandstudentsinourschool.数千学生在广场上Thousandsofstudentsareonthesquare.3.Inrecentyears,tigershavebeenindangerofdisappearing.在近几年，老虎处于濒临灭绝的危险中。indanger(of)意为“处于（……）危险之中”。例如你处于患感冒的危险之中。You’reindangerofcatchingacold.这个病人在死亡的危险之中。Thesickmanisindangerofdeath.4.Asforestsdisappear,tigerslosetheirhomes.随着森林的消失，老虎失去了它们的家园。as在句中作连词，引导状语从句，意为“随着，当……的时候”。随着太阳升起，雾散了。Asthesunrose,thefogdisappeared.当她离开教室的时候，他记住了那本书。Asshelefttheroom,sherememberedthatbook.aswell位于句首或句末，在局末尾时，不用逗号分开。用于肯定句。too位于句末，前面用逗号分开。用于肯定句。also位于be动词和助动词之后，行为动词之前，用于肯定句。either位于句尾，其前有无逗号均可。用于否定句。5.表示“也”的短语和单词Fillintheblanks.1._____________studentsisabouttwenty.(……的数量)2.It’s____________yourhealth.(对……是重要的)3.Theriverispollutedand___________goingdry.(处于……危险中)Thenumberofimportanttoindangerof4.____timewentby,shebecamemoreandmorebeautiful.(随着)5._________________theparty,hegavemeagift.(在……之初)6.Thetemperaturehas__________belowzero.(下降到)7.Itisatthebottomofthe_________.(食物链)8.Youknow,computersbringtroubles_______.(也)AsAtthebeginningofdroppedtofoodchainaswell根据汉语意思或首字幕提示完成单词1.Thenumberhas____to1,000.2.Hedoesn’teatporkforreligious(宗教)r____.3.Ihavenoc_____tofacethem,whatshouldIdo?4.Thesoldiersareveryb____,theykilltheenemies_____.单项选择题1.Thenumberofthestudentsinourschool____2,000.A.AreB.wasC.isD.were2.Theappletreewasdeadandhe____it____.A.Cut,inB.cut,downC.cutoffD.cutup3.Hesetmealetterandsomemoney____.A.AswellB.aswellasC.asaresultD.asif4.___hegrowsup,hecanunderstandwhathisdadaskedhimtodobefore.A.WhatB.asC.howD.when5._____peoplewerediedintheearthquake.A.ThousandsofB.TwothousandsC.thousandofD.thousanddropresonourageravebravelyCBABA•句型转换1.Thenumberofthetigersintheworldisquicklydecreasing(提问)___intheworld____quicklydecreasing?2.Healsolikestoeatchinesefood.(改为同意句)helikestoeatchinesefood_____.(改为否定句)he_________toeatchinesefood_____.3.Anumberofstudentslikereadingstorybooks.(提问)________studentslikereadingstorybooks?WhatisAswellDoesn’tlikeeitherhowmany1.Finishtheactivitybook.2.Writeashortpassageabouthowtoprotectanimals.HomeworkAtthebeginningofthe20thcentury,______________tigersinthewildwasaround100000.Buttodaythatnumber____________afewthousand.Tigersareimportant__theenvironment.Theyhelpkeepthenumberofotherwildanimals_________.Butinrecentyears,tigershavebeenindangerof___________.Somepeople____________tigers____money.Wemustdosomethingaboutit.Fillintheblanksandtrytoretellthetext.Task3thenumberofhasdroppedtoinbalancedisappearinghuntandkilltofor