英語人教版八年級下冊unit 7 section B 3b.ppt

Unit7 SectionBPeriod3b Freetalk Whatdopandasliveon bamboo Readagainandcompletetheinformation Pandas Babypandas Amountoffood Only Babiesoftendiefrom 10 aday oneeverytwoyears illnesses kilosofbamboo Pandas Numberofpandas Waystoprotectpandas 2 000 200 Teach Tellthemaboutthe ofsavingpandas TheChinesegovernment There llbe tolivein intheremainingforests inzoosorresearchcenters children importance isalsoplantingmorebambootrees moreforestsforpandas Giantpandasareindanger Helpme Weneedtoprotectthepandas Buildmorereserves Stopcuttingdowntrees Nomoreusingthepanda sfur Morewaystoprotectgiantpandas Makesomepostersorsigns Putthemuporhandoutnoticestoletpeopleknow Volunteertohelpplantmorebambootreesandprotectpandas livingenvironment Theyarehugeanimals Theyliveinthesea Theycansingsongs Theycanjumphighoutofwater Theyareverycleverandalsoveryfriendly Whatarethey 鯨的體型是世界上存在的動物中最大的 鯨是終生生活在水中的哺乳動物 對水的依賴程度很大 以致它們一旦離開了水便無法生活 鯨形狀像魚 鼻孔在頭的上部 用肺呼吸 體長可達(dá)三十米 是現(xiàn)在世界上最大的動物 對于鯨魚你知道多少 鯨為適應(yīng)水中生活 減少阻力 它們的后肢消失 前肢變成劃水的漿板 身體成為流線型 酷似魚 因而它們的潛水能力很強(qiáng) 小型齒鯨可潛至100 300米的水深處 停留4 5分鐘 長須鯨可在水下300 500米處待上1小時(shí) 最大的齒鯨 抹香鯨能潛至千米以下 并在水中持續(xù)2小時(shí)之久 3a Readthefollowingwordsandphrasesaboutwhales Puttheminthecorrectplaceinthechart HugeSomekindshaveteeth Inthesea Smallfishandothersealife JumphighoutofthewaterSingsongs Humancatchwhalesformeat fatandoilWaterpollutionWhalepartssoldtomakethingslikecandlesandsoap RulesonwhaleprotectionLearnmoreaboutwhalesStopputtingrubbishintotheseaSingsongs tomakepeoplemoreawareoftheimportanceofprotectingwhales 3b Writeaparagraphaboutwhalesandwhytheyneedtobeprotected Usetheinformationin3a Thenmakeaposter Whalesarehugeanimals Theyliveintheseaandeatsmallfishandothersealife Oneinterestingfactisthatwhalescanjumphighoutofthewater Somekindsofwhalesareindangerbecausehumanscatchthemformeat fat andoil andusewhalepartstomakecandlesandsoap Whalesarealsoindangerfromwaterpollution Weshouldprotectwhalesbymakingrulesonwhaleprotectionandbynotputtingrubbishintothesea Ithinkpeopleshouldlearnmoreaboutwhales Let shelptheanimals Discussingroupsoffourandtrytofindoutwaystoprotectanimals 1 Do