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Unit3L17savethetigers(共32张PPT)VIP免费

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Unit3Lesson17AnimalsAreOurFriendsSavetheTigers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8…的象征atthebeginningof…droptofoodchaininbalanceindangercutdownaswellsymbolsof…1.Wherecanyouusuallyseeatiger,inthecageorinthewild?2.Doyouthinktigersneedourhelp?Whyorwhynot?3.Whatcanwedotoprotectwildanimals?theBengaltiger(孟加拉虎)Weknowaboutcurrentlysixtypesoftigers.theSiberiantiger(东北虎)theSumatrantiger(苏门答腊虎)theMalayantiger(马来亚虎)theIndochinesetiger(印度支那虎)theSouthChinatiger(华南虎)1.Howmanytigerswerethereatthebeginningofthe20thcentury?Around100000.2.Howmanytigersarethereinthewildtoday?Thenumberhasdroppedtoafewthousand.3.Wheredotigerslive?TheyliveintheforestsofAsia.Readthelessonandanswerthequestions.4.Whatdotigerslooklike?Theyusuallyhaveorangefuranddarkstripes.5.Whatdotigerssymbolize?Theyaresymbolsofstrengthandcourage.6.Howaretigersdescribedinmanystories?Theyarebrave.7.Whatdoes“atthetopofthefoodchain”mean?Tigersarethekingofallthewildanimals.8.Whatisthereasontigersareimportanttotheenvironment?Becausetigershelpkeepthenumberofotherwildanimalsinbalance.9.Whydopeoplehuntandkilltigers?Theyareformoney.10.Asidefromtheirbeinghuntedandkilled,whatisanotherreasontigersaredisappearing?Peoplehavecutdownalotoftreesaswell.Asforestsdisappear,tigerslosetheirhomes.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8…的象征atthebeginningof…droptofoodchaininbalanceindangercutdownaswellsymbolsof…Task2Readthelessonandmatcheachparagraphwithitsmainidea.BCAAtthebeginningofthe20thcentury,______________tigersinthewildwasaround100000.Buttodaythatnumber____________afewthousand.Tigersareimportant__theenvironment.Theyhelpkeepthenumberofotherwildanimals_________.Butinrecentyears,tigershavebeenindangerof___________.Somepeople____________tigers____money.Wemustdosomethingaboutit.Fillintheblanksandtrytoretellthetext.Task3thenumberofhasdroppedtoinbalancedisappearinghuntandkilltofor1.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表示“许多”,相当于many,修饰可数名词复数。作主语时,谓语动词用复数。number前可用large,small等修饰,表示程度。例如:Thenumberofstudentsinourclassis50.Thenumberofpagesinthisbookis60.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:Therearethreethousandstudentsinourschool.Thousandsofstudentsareonthesquare.3.Forthisreason,tigersareimportanttotheenvironment.因为这个原因,老虎对环境很重要。beimportanttosb./sth.……对……来说是重要的。beimportantforsb./sth.todosth.对于……来说做……是重要的。例如:Timeisimportanttome.Itisimportantforyoutogetthereearly.5.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”。Asthesunrose,thefogdisappeared.Asshelefttheroom,sherememberedthatbook.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)AsAtthebeginningofdroppedtofoodchainaswell1.ReviewLesson17.2.Writeashortpassageabouthowtoprotectanimals.Homework

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Unit3L17savethetigers(共32张PPT)

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