英语人教版九年级全册Unit 13 sectionA 3a-4c.ppt

Unit13We retryingtosavetheearth 靳素霞 SectionA 3a 4c newwords sharkfincruelharmfulbeharmfulto n 鲨鱼n 鱼 鳍adj 残酷的 残忍的adj 有害的对 有害 newwords atthetopofchainecosystemindustrylaw 在 顶部或顶端n 链子 链条n 生态系统n 工业 行业n 法律 法规 newwords scientifictakepartinaffordturnoff adj 科学上的 科学的参加v 承担得起 后果 买得起关掉 newwords reusablepayfortakeactiontransportation adj 可重复使用的 可再次使用的付费 付出代价采取行动n 运输业 交通运输 NEXT 1 crueladj 残酷的 残忍的becrueltosb sth 对某人 某物残忍Howcouldyoubesocrueltoachild 你怎么能对一个孩子如此残忍呢 2 industryn 工业 行业表示 在某个行业中 介词用in Lotsofenergyisconsumedeveryyearinthesteelindustry 每年钢铁业都要消耗很多能源 BACK 3 affordv 承担得起 后果 买得起afford意为 花得起 时间 金钱 精力等 买得起 或 负担得起费用 损失 后果等 常和情态动词can或beableto连用 且常用于否定句和一般疑问句中 是及物动词 后面可接名词 动词不定式作宾语 Hecan tafford tobuy acar 他买不起一辆车 Hecan taffordtobeoutofwork 他承受不了失业的后果 BACK 请同学们在课后参照 巴蜀英才 英语 P21的内容进行复习 4 reusableadj 可重复使用的 可再次使用的 构成 前缀re 再 又 us e 后缀able 类似构成的词还有recyclable Itbecamethefirstreusablevehicleinspace 它成为第一个能重复使用的宇宙交通工具 BACK Readthepassageaboutsharksandcompletethefactsheetbelow 3a Manyhaveheardofshark sfinsoup ThisfamousandexpensivedishisespeciallypopularinsouthernChina Butdoyourealizethatyou rekillingawholesharkeachtimeyouenjoyabowlofshark sfinsoup SavetheSharks Whenpeoplecatchsharks theycutofftheirfinsandthrowthesharkbackintotheocean Thismethodisnotonlycruel butalsoharmfultotheenvironment Withoutafin asharkcannolongerswimandslowlydies Sharksareatthetopofthefoodchainintheocean secosystem Iftheirnumbersdroptoolow itwillbringdangertoalloceanlife Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain Butinfact around70millionsharksarecaughtandtradedinthisindustryeveryyear Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years Environmentalprotectiongroupsaroundtheworld suchasWildAidandtheWWF areteachingthepublicabout finning Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofshark sfins Sofar noscientificstudieshaveshownthatshark sfinsaregoodforhealth sowhyeatthem Helpsavethesharks completethefactsheetbelow 70million southernChina over90percent WildAidandtheWWF Readthepassageagainandfillintheblankswiththewordsinthebox 3b 1 Manypeopledonotrealizetheyarekillingawholeshark theyenjoyabowlofshark sfinsoup 2 Sharksareatthetopofthefoodchain iftheirnumbersdrop theocean secosystemwillbeindanger so when Manythinkthatsharksaretoostrongtobeendangered theyarewrong therearenoscientificstudiestosupportthis alotofpeoplebelievethatsharkfinsaregoodforhealth 5 Sharksmaydisappearoneday wedonotdosomethingtostopthesaleofsharkfins but Although If GrammarFocus Joe youever take partinanenvironmentalproject Ken Yes Ihave I help withaClean UpDaylastyear Itwas consider thebiggestclean upprojectthiscity ever have Fillintheblankswiththecorrectformsoftheverbsinbrackets 4a Havetaken helped considered has had Joe Howmanypeople take part Ken I think morethan1 000people come tohelpout Joe That sfantastic Iguesseveryoneinthiscityis try toimprovetheenvironment Ken Yes wecan taffordto wait anylongertotakeaction took think came trying wait Fillintheblankswiththeappropriatemodalverbsfromthebox 4b People thinkthatbigthings bedone However manyforgetthatsavingtheearthbeginswithsmallthings Forexample you saveelectricitybyturningoffthelightswhenyouleavearoom You alsousepaperorreusablebagsinsteadofplasticbags may could would should Ithinkit sagreatideathatyounow payforplasticbagsinsomestores Andinsteadofdrivingtoschoolorwork you rideyourbikeorwalk Ifit sfar you takethebus Allthesesmallthings addupandbecomebigthingsthat improvetheenvironment Let stakeactionnow haveto can should can could could would can Makealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner 4c Discussing 4c 短语积累 1 cutoff切掉 切除2 notonly butalso不仅 而且3 beharmfulto 对 有害 bebadfor doharmto harm为名词 意为 害处 损害 短语积累 4 at on thetopof 在 的顶部 顶端 5 thefoodchain食物链6 theocean secosystem海洋生态系统 短语积累 7 sofar到目前为止 迄今为止常用于现在完成时态 Sofar thestrategyhasworked 到目前为止 这个策略行之有效 短语积累 8 beindanger处于危险之中 beinadangeroussituationShedidn trealizethatshehadalreadybeenindangerthen 她那时并未意识到已身处险境 短语积累 9 takepartin参加Willyoutakepartintheparty 你会参加晚会吗 辨析 join多指参加某组织 成为其中的一个成员 而takepartin指参加活动 短语积累 10 helpout帮助 解决难题或摆脱困境 11 takeaction采取行动 短语积累 12 turnoff关掉 机器 电灯 水 煤气等 拓展 turnon打开 与turnoff相对 turnup开大 灯火 煤气等