英语人教版九年级全册课件13-3.ppt

Unit13We retryingtosavetheearth SectionA3a 3b Therearesomeanimalsareendangered Weshoulddosomethingtoprotecttheanimalsandtheenvironment Savetheearth Savetheanimals Lead in引课明标 1 Haveyoueverseenashark 鲨鱼 2 Whatdoyouknowaboutsharks Discusswithyourpartner Doyouthinksharkscanbeendangered Why Whatdoyouthinkmightcauseafallinthenumberofsharks LanguageGoal Talkabouthowtosavethesharks Objectives 1 掌握课本99页的单词及短语 Curriculumwords shark cruel harmful chain ecosystem industry law scientific afford reusable transportationUsefulexpressions beharmfulto atthetopof thefoodchain takepartin turnoff payfor takeaction2 掌握目标语言 复习动词的被动语态和部分时态 Noscientificstudieshaveshownthatsharkfinsaregoodforhealth Thenumberofsomekindsofsharkshavefallenbeover90percentinthelast20to30years 3 学会保护动物Animalsareourfriends Wemustknowhowtolovethemandhowtoprotectthem 用方框中词的适当形式完成下面的句子 1 Ithinkit s tomakesuchayoungboyworkallday 2 Thepoorfishermancan t hischildren seducation 3 Ithinkthegovernmentmustdevelop toprotectenvironment 4 Eatingtoomuchjunkfoodis toyourhealth 5 Hecanusedifferent toworkouttheproblem cruel afford laws harmful methods Student sPage自学探究 southernChina 70million over90percent WildAidandtheWWF 3a Readthepassageaboutsharksandcompletethefactsheetbelow FastReading Sharksareendangered readthepassageandjudgethesentences T F Readthefirstparagraph 1 Shark sfin 鱼鳍 soupisfamousandexpensivearoundtheworld 2 Wehavetokillawholesharktogetabowlofshark sfinsoup F T DetailReading InsouthernChina Readthesecondparagraph 1 Peoplecutoffsharks finsandthrowthesharksbackintotheocean 2 Sharksareinthebottomofthefoodchainintheocean secosystem T F n 生态系统 食物链 top Readthethirdparagraph 1 WildAidandtheWWFareenvironmentalprotectiongroupsinChina 2 Sharkfinsaregoodforhealth F F aroundtheworld Noscientificstudieshaveshownthat Let sdothistoreviewthetext Somepeopleliketoeatshark sfinsoup especiallyin China Butgettingtheshark sfinisvery Whenpeoplecatchsharks they theirfinsandthrowthesharksintotheocean Thesharkslowlydiesbecauseitcan t withoutthefin Anditisalso toenvironment Sharksareatthe ofthefoodchain Ifthenumberofsharksdropstoolow itwillbreakthebalanceofnuture Pleasesaynotoeatingthesharkfinsoup andtakeactiontosavethesharks southern Extension cruel cutoff swim harmful top 1 Asharkcannolongerswimandslowlydies 鲨鱼不能再游泳然后慢慢死掉 nolonger意思是 不再 e g I mnolongerastudent 我不再是个学生了 有两个短语和nolonger同义 即not anylonger和not anymore 但他们侧重的方面不同 Languagepoints nolonger和not anylonger侧重时间 e g Henolongerliveshere Hedoesn tlivehereanylonger 他不在这儿居住了 一个时间以前他住在这儿 过了这个时间 他就离开了 not anymore侧重程度和数量e g Youcandrinknomore Youcan tdrinkanymore 你不能再喝了 喝酒的量到了一定程度 不能再继续下去了 2 Thismethodisnotonlycruel butalsoharmfultotheenvironment 这种方法不但残忍而且对环境有害 notonly butalso 用于连接两个表示并列关系的成分 着重强调后者 其意为 不仅 而且 若连接两个成分作主语 其谓语通常与靠近的主语保持一致 e g Notonlyyoubutalsohehastoleave 不只是你 他也得离开 beharmfulto对 有害e g Smokingisharmfultothehealth 吸烟有害健康 Playingcomputergamesmuchisharmfultostudents 电脑游戏玩太多对学生有害 3 Sharksareatthetopofthefoodchainintheocean secosystem 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 4 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 large或low small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 1 句中fin本为名词 指 鱼鳍 此句中的finning由动词化的fin 割鲨鱼鳍以获取鱼翅 的 ing形式转化而成 指课文中所陈述的 猎翅 这一行为 2 WildAid和WWF组织WildAid 美国野生救援协会 是保护野生动物及栖息地环境的一个非盈利性的机构 1999年注册成立 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 英文全称为WorldWideFundforNature 成立于1961年 是享有国际盛誉 全球最大的独立性非政府环境保护组织之一 3b Readthepassageagainandfillintheblankswiththewordsinthebox Manypeopledonotrealizetheyarekillingawholeshark theyenjoyabowlofsharkfinsoup 2 Sharksareatthetopofthefoodchain iftheirnumbersdrop theocean secosystemwillbeindanger when so 3 Manythinkthatsharksaretoostrongtobeendangered theyarewrong 4 therearenoscientificstudiestosupportthis alotofpeoplebelievethatsharkfinsaregoodforhealth 5 Sharksmaydisappearoneday wedonotdosomethingtostopthesaleofsharkfins but Although if adj 科学上的 科学的 Exercises 一 单项选择 1 Areyougoingto anyoftheevents Yes Maybelongjumpandhighjump A takepartinB joinC attendD joinin2 Ican tafford himanexpensivebirthdaypresent A tobuyB buyingC forbuyingD buy3 Rememberto thelightswhenyouleavetheroom OK Iwill A turnonB turndownC turnupD turnoff Student sPage训练达标 4 Thegirlalwayshassomemoneyto snacks A spendB payforC takeD cost5 Look boysareplayingontheplayground Yes themisabout200 A Thenumberof AnumberofB Thenumberof ThenumberofC Anumberof thenumberofD Anumberof Anumberof 二 根据汉语提示完成句子 1 我们必须采取行动来阻止他们 Wemust tostopthem 2 我从没听说过这个人