英语人教版九年级全册unit13 .pptx

Unit13Weretryingtosavetheearth!,SectionA23a-3b,Checkifyouknowthesephrases.,扔掉把变成解决问题减少空气污染乘公共汽车或地铁代替，而不是骑自行车的好处对有影响通向美好的未来,throwawayturnintosolvea/theproblemcutdownairpollutiontakethebusorsubwayinsteadoftheadvantagesofbikeridingmakeadifferencetosbleadtoabetterfuture,TranslatethesesentencesintoEnglish.,1.甚至是河底都满是垃圾。Eventhebottomoftheriverwasfullofrubbish.2.这个镇上的每个人都应该参与清扫。Everyoneinthistownshouldplayapartincleaningitup.3.骑自行车有其它的优点。Thereareotheradvantagesofbikeriding.4.我买外卖食品从来不拿木筷子和塑料叉子。InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.,Theearthisbadlypolluted.Whatshouldwedotosavetheearth?,Warmingup,Letstakeaction(采取行动),Turnoffthelightswhenyouleavearoom.,Recyclebooksandpaper.,Takebusesinsteadofdrivingcars.,Savetheearth!Savetheanimals!,Weliveinthesamesmallworld.Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!Toloveanimalsistoloveourselves.,Discusswithyourpartner:,1.Whatdoyouknowaboutsharks（鲨鱼）?2.Doyouthinksharkscanbeendangered?why?3.Whatdoyouthinkmightcauseafallinthenumberofsharks?,sharkfin,Beforeyouread,Whocanyouseeinthepicture?Whatdoesthepassagemaytalkabout?,1.Ashark.,2.Itmaytalkaboutthesharks.,Lookatthephoto,thequestionsin3aandthetitletothestoryonpage99.Thenanswerthequestionsbelow.,1,Readthetitle,thefirstandlastsentencesineachparagraphsandmatchthemainideas.,Para.1Para.2Para.3,Environmentalprotectiongroupsareagainst“finning”.Somebasicfactsaboutsharkfinsoup.Someimportantfactsaboutkillingsharks.,SavetheSharks,Why？,How？,Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyourekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.,Readthepassageaboutsharksandcompletethefactsheetbelow.,3a,听说,鱼翅汤,在中国南部地区=inthesouthofChina,每当,一碗,切掉,Withoutafin,asharkcannolongerswimandslowlydies.Thismethodisnotonlycruel,butalsoharmfultotheenvironment.Sharksareatthetopofthefoodchainintheoceansecosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.,不仅而且,对有害,没有了鳍,在。的顶部,食物链,在海洋生态系统中,濒临灭绝的,在过去的20到30年里与现在完成时连用,实际上,的数量,Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharksfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!,例如,到目前为止（用现在完成时）,科学研究,完善法律来阻止鱼翅的销售,Sharksfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.Yourekillingawholesharkwhenyouenjoyabowlofsharksfinsoup.,Whileyouread,ReadParagraph1andjudgethesentences.,F,T,2,1.Peoplecutoffsharksfinsandthrowthesharksbackintotheocean.,2.Sharksareinthebottomofthefoodchainintheoceansecosystem.,n.生态系统,食物链,ReadParagraph2andjudgethesentences.,F,T,Savethesharks!,peoplecutofftheirfinsandeatsharkfinsoup.,Asharkcannolongerswimandslowlydies.,atthetopofthefoodchainintheoceansecosystem,Ifsharksnumbersdroptoolow,Itwillbringdangertoalloceanlife.,ReadParagraph2andfillinthechart.,peopleenjoy_,fishermen_,_,then_,_decreasedquickly,abowlofsharkfinsoup,catchsharks,cuttheirfins,throwthemintotheocean,Thenumbersofsomekindofsharks,/dkri:s/减少,ReadParagraph3andjudgethesentences.,F,T,F,WildAidandtheWWFareenvironmentalprotectiongroupsinChina.Twoenvironmentalgroupsappealtoestablishlawstostopsalesharkfins.Sharksfinsaregoodforhealth.,Readthepassageaboutsharksandcompletethefactsheetbelow.,3a,southernChina,70million,over90percent,WildAidandtheWWF,Whatcanwedotosavethesharks?,Weshouldstopeatingthesharkfinsoup!,whenthebuyingstops,thekillingcantoo.,1.Manypeopledonotrealizetheyarekillingawholeshark_theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,_theirnumbersdrop,theoceansecosystemwillbeindanger.,when,so,Readthepassageagainandfillintheblankswiththewordsinthebox.,3b,3.Manythinkthatsharksaretoostrongtobeendangered,_theyarewrong.4._therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday_wedonotdosomethingtostopthesaleofsharkfins.,but,Although,if,adj.科学上的，科学的,Retellthepassageaccordingtothewordsbelow.,Afteryouread,3,Bekilledforsharkfinsoup,How?,Why?,Savethesharks,Mindmap,How?,catchcutoffthrowbackinto,Result?,cannolongerswim,slowlydie,beharmfultotheenvironment,bringdangertoalloceanlife,Teachthepublicabout“finning”,Todeveloplawstostopthesaleofsharkfins,Noscientificstudieshaveshownthatsharkfinsaregoodforhealth,Letsdothistoreviewthetext!,Somepeopleliketoeatsharksfinsoup,especiallyin_China.Butgettingthesharksfinisvery_.Whenpeoplecatchsharks,they_theirfinsandthrowthesharksintotheocean.Thesharkslowlydiesbecauseitcant_withoutthefin.Anditisalso_toenvironment.Sharksareatthe_ofthefoodchain.Ifthenumberofsharksdropstoolow,itwillbreakthebalanceofnuture.Pleasesaynotoeatingthesharkfinsoup,andtakeactiontosavethesharks!,southerncruelcutoffswimharmfultop,1.SavetheSharks!savevt.“救，拯救”，后常跟介词from。e.g.Hesavedtheboyfromthebigfire.他从大火中救出了那个男孩。Thedogsavedthegirlslife.那只狗救了女孩的命。拓展:save作及物动词,“储蓄，贮存；节省”。e.g.Shesavedherstrengthforthelastminutesoftherace.她保存体力，准备在比赛的最后几分钟冲刺。save作vi,“节省；存钱；贮存物品”e.g.Someanimalssaveforthefuture.一些动物为未来之需储存食品。,Languagepoints,2.Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.cutoff有以下几种意思：切断（水、电）；中断；关掉。如：Theirwatersupplywascutoff他们的水源被切断了。切下来；剪下来。如：Theycutofftheheadsoftheircaptives他们把俘虏的头砍了下来。,3.Thisisnotonlycruel,butalsoharmfultotheenvironment.这种方法不但残忍而且对环境有害。notonlybutalso“不仅而且”;e.g.Shenotonlyplayswell,butalsowritesmusic.她不但很会演奏，而且还会作曲。Notonlymenbutalsowomenwerechosen.不仅仅是男的，女的也有被选中的。连接并列主语,谓语与靠近的主语保持一致。e.g.Notonlyyoubutalsohehastoleave.notonly放在句首，后接句子时要用倒装结构。e.g.Notonlyhadthepoormanbeenfined,butalsohehadbeensenttoprison.这个可怜的人不仅被罚款，而且还被送进了监狱。,4.harmful形容词，意为“有害的”。常构成短语beharmfulto“对有害的”。Stayingupoftenisharmfultoyourhealth.经常熬夜对你的健康有害。harm名词，意为“害处”。常用构成短语doharmto“对有害”,相当于beharmfulto.Toomuchsmokingdoesharmtohishealth.=Toomuchsmokingisharmfultohishealth.吸烟过多对他的健康有害。Playingcomputergamesmuchisharmfultostudents.电脑游戏玩太多对学生有害。Readinginthesundoesharmtooureyes.Readinginthesun_oureyes.,isharmfulto,5.Asharkcannolongerswimandslowlydies.鲨鱼不能再游泳然后慢慢死掉。nolonger意思是“不再”e.g.Imnolongerastudent.我不再是个学生了。notanylonger=nolonger侧重时间e.g.Henolongerliveshere.他不在这儿居住了。=Hedoesntlivehereanylonger.(一个时间以前他住在这儿,过了这个时间,他就离开了.)notanymore=nomore侧重程度和数量e.g.Youcandrinknomore.你不能再喝了。=Youcantdrinkanymore.(喝酒的量到了一定程度,不能再继续下去了.),6.Sharksareatthetopofthefoodchainintheoceansecosystem.鲨鱼位于海洋生物系统食物链的顶部。atthetopof在最高地位;用最高最大的(速度,声音等)e.g.Ilookedatthetopofhishead,hishairshinyandpartedsmoothly.我看他的头顶,头发闪亮且平滑的分开。Heshoutedatthetopofhisvoiceinorderthathemightbeheard.他尽力大声叫喊,以便别人能听见。,7.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.如果它们的数目降至过低，会给所有海洋生物带来危险。此句复数形式的numbers表达全海洋中鲨鱼的总量。当表示数值的高或低时，number要用high或low修饰。e.g.Inthatcountry,thenumberofchildrengoingtoschoolishigherincitiesthanintownsandvillage.在那个国家，城市儿童入学人数比乡镇及农村要高。常与number搭配的动词有grow,fall等。e.g.Thenumberoffamiliesthatowncarshasbeengrowingquicklyrecently.近来拥有轿车的家庭数量增长很快。,5.Environmentprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.世界各地的环境保护组织，如野生救援协会和世界自然基金会，都在教育公众有关“猎翅”的行为。句中fin本为名词，指“鱼鳍”。此句中finning由动词化的fin(割鲨鱼鳍以获取鱼翅)的-ing形式转化而成,指文中所陈述的“猎翅”这一行为。2)WildAid和WWF组织WildAid（美国野生救援协会）1999年注册立,其宗旨是保护及救助世界范围内的野生动物；WWF（世界自然基金会）成立于1961年，全球最大的独立性非政府环境保护组织之一。,Checkifyouknowthesephrases.,1.听说2.在中国南部地区3.每当4.一碗鱼翅汤5.切掉6.不仅而且7.对有害8.没有了鳍,heardofinsouthernChinaeachtimeabowlofsharkfinsoupcutoffnotonly。butalsoharmfultoWithoutafin,Checkifyouknowthesephrases.,9.在的顶部10.食物链11.实际上，事实上12.的数量13.在过去20到30年里14.到目前为止15.海洋生态系统16.帮助拯救鲨鱼,atthetopofthefoodchaininfactthenumberofinthelast20to30years.SofartheoceansecosystemHelpsavethesharks!,I.用方框中词的适当形式完成下面的句子。Ithinkits_tomakesuchayoungboyworkalld