英语人教版九年级全册A2课件.ppt

Unit13 Unit13We retryingtosavetheearth SectionA23a 3b Revision JasonandSusan whatareyourideasforsolvingtheseproblems Role play2d Well tocutdownairpollution weshouldtakethebusorsubwayinsteadofdriving Yeah orrideabike Thereareotheradvantagesofbikeriding It sgoodforhealthanditdoesn tcostanything Greatideas Whataboutwastepollution Mmm Ithinksimplethingslikebringingabagtogoshoppingcanhelp Istarteddoingthatayearago Me too Also InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood Iusetheonesathome Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone Sotogether ouractionscanmakeadifferenceandleadtoabetterfuture TranslatethesesentencesintoEnglish 1 甚至是河底都满是垃圾 2 这个镇上的每个人都应该参与清扫 Eventhebottomoftheriverwasfullofrubbish Everyoneinthistownshouldplayapartincleaningitup 3 骑自行车有其它的优点 4 我买外卖食品从来不拿木筷子和塑料叉子 Thereareotheradvantagesofbikeriding InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood Theearthisbadlypolluted Whatshouldwedotosavetheearth Warmingup Let stakeaction 采取行动 Turnoffthelightswhenyouleavearoom Recyclebooksandpaper Takebusesinsteadofdrivingcars Therearesomeanimalsareendangered Weshoulddosomethingtoprotecttheanimalsandtheenvironment Savetheearth Savetheanimals Thezoosprovidehomesformanyendangeredanimals 1 Haveyoueverseenashark 鲨鱼 2 Whatdoyouknowaboutsharks Discusswithyourpartner Sharksareendangered readthepassageandjudgethesentences Readthefirstparagraph 1 Shark sfin 鱼鳍 soupisfamousandexpensiveallaroundtheworld 2 Wehavetokillawholesharktogetabowlofshark sfinsoup Readthesecondparagraph 1 Peoplecutoffsharks finsandthrowthesharksbackintotheocean 2 Sharksareinthebottomofthefoodchainintheocean secosystem n 生态系统 食物链 Readthethirdparagraph 1 WildAidandtheWWFareenvironmentalprotectiongroupsinChina 2 Shark sfinsaregoodforhealth southernChina 70million over90percent WildAidandtheWWF 3a Readthepassageaboutsharksandcompletethefactsheetbelow 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 Retellthepassageaccordingtothewordsbelow 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 其中的also有时可以省略 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 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 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 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 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