九年级英语全册 Unit 13 We’re trying to save the earth Section A（3a3b）课件 （新版）人教新目标版.ppt

unit13 sectiona3a 3b we retryingtosavetheearth 1 whatdoyouknowaboutsharks 2 doyouthinksharkscanbeendangered why 3 whatdoyouthinkmightcauseafallinthenumberofsharks thesharkisbeingkilled themaniscuttingthefinoff thesharksthathavenofinswillbethrownbackintotheoceanagain thefinswillbedeliveredtothemarketsortherestaurants 3areadthepassageaboutsharksandcompletethefactsheetbelow savethesharks manyhaveheardofsharkfinsoup thisfamousandexpensivedishisespeciallypopularinsouthernchina butdoyourealizethatyou rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup 听说过 鱼翅汤 中国南部 whenpeoplecatchsharks theycutofftheirfinsandthrowthesharkbackintotheocean thisisnotonlycruel butalsoharmfultotheenvironment withoutafin asharkcannolongerswimandslowlydies sharksareatthetopofthefoodchainintheocean secosystem iftheirnumbersdroptoolow itwillbringdangertoalloceanlife manybelievethatsharkscanneverbeenendangeredbecausetheyarethestrongestintheirfoodchain 割断 切下 残忍的 对 有害的 食物链 海洋生态系统 butinfact around70millionsharksarecaughtandtradedinthisindustryeveryyear thenumbersofsomekindsofsharkshavefallenby90percentinthelast20to30years environmentalprotectiongroupsaroundtheworld suchaswildaidandthewwf areteachingthepublicabout finning thenhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins sofar noscientificstudieshaveshownthatsharkfinsaregoodforhealth sowhyeatthem helpsavethesharks 行业 野生救援协会 世界自然基金会 insouthernchina 70million developlawstostopthesaleofsharkfins wildaidandthewwf 1 manypeopledonotrealizetheyarekillingawholeshark theyenjoyabowlofsharkfinsoup 2 sharksareatthetopofthefoodchain iftheirnumbersdrop theocean secosystemwillbeindanger when so 3breadthepassageagainandfillintheblankswiththewordsinthebox 3 manythinkthatsharksaretoostrongtobeendangered theyarewrong 4 therearenoscientificstudiestosupportthis alotofpeoplebelievethatsharkfinsaregoodforhealth 5 sharksmaydisappearoneday wedonotdosomethingtostopthesaleofsharkfins but although if 1 whatdopeopledowhentheycatchsharks 2 whatwillhappentoasharkwithoutafin 3 whatdothetwoenvironmentalprotectiongroupsaskthegovernmentstodo 4 aresharkfinsgoodforhealth theycutofftheirfinsandthrowthesharkbackintotheocean theycannolongerswimandslowlydies todeveloplawstostopthesaleofsharkfins noscientificstudieshaveshown 1 savethesharks save作动词 意为 救 拯救 后常跟介词from hesavedtheboyfromthebigfire 他从大火中救出了那个男孩 thedogsavedthegirl slife 那只狗救了女孩的命 2 asharkcannolongerswimandslowlydies nolonger意思是 不再 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 nolonger和not anylonger侧重时间 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 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 3 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 拓展 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 4 thismethodisnotonlycruel butalsoharmfultotheenvironment 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 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 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 notonlyhadthepoormanbeenfined butalsohehadbeensenttoprison 这个可怜的人不仅被罚款 而且还被送进了监狱 5 iftheirnumbersdroptoolow itwillbringdangertoalloceanlife 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 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 1 根据汉语意思完成句子 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 ihavenever suchaman 3 我们乐意尽力帮你摆脱困境 wearegladtodowhatwecando 4 到目前为止 我已经交了二十个朋友 ihavemadetwentyfriends 5 实际上 她从没去过那儿 shehasneverbeenthere infact takeaction heardof tohelpout sofar 2 单项填空 1 thegirlalwayshassomemoneyto snacks a spendb payforc taked cost 2 look boysareplayingontheplayground yes themisabout200 a thenumberof anumberofb thenumberof thenumberofc anumberof thenumberofd anumberof anumberof b a 3 areyougoingto anyoftheevents yes maybelongjumpandhighjump a takepartinb joinc attend