Unit13We‘retryingtosavetheearth!SectionA23a知識目標(biāo)重點(diǎn)單詞1.sharkn.鯊魚；2.finn.魚鰭3.methodn.方法；4.crueladj.殘酷的；5.harmfuladj.有害的；6.chainn.鏈條；7.ecosystemn.生態(tài)系統(tǒng)；8.industryn.工業(yè)；9.lawn.法律；重點(diǎn)詞組1.sharkfinsoup魚鰭湯2.atthetopofthefoodchain處于食物鏈的頂端3.inthelast20to30years在最近的20到30年間4.environmentalprotectiongroupsaroundtheworld全球環(huán)境保護(hù)組織5.developlaws建全法律6.thesaleofsharkfins魚鰭買賣重點(diǎn)句式Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup.你意識到了嗎，當(dāng)你每次在品嘗一碗魚鰭湯時，你正在殺死一整頭鯊魚。Thismethodisnotonlycruel,butalsoharmfultotheenvironment.這種方法不僅殘酷，而且對環(huán)境有害。Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.在最近的20年到30年的時間里，這種鯊魚已經(jīng)下降了90%。4.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth.到目前為止，還沒有科學(xué)研究證明魚鰭對人們的健康有好處。Sharksmaydisappearonedayifwedonotsomethingtostopthesaleofsharkfins.如果我們不采取措施來阻止這種魚鰭買賣，鯊魚可能有一天會消失。II.課堂環(huán)節(jié)§自主學(xué)習(xí)方案【新詞自查】根據(jù)漢語提示完成單詞。1.Carlisplanningtotravelbyshipbecausehewantstoseethesharks(鯊魚）inthesea.2.Youshouldteachthemthemethod(方法）ofhowtogrowapplesinsteadofgivingthemapples.3.It’sharmful(有害的)tothrowtheoldbatteryinthewater.4.Manycountrieshavemadelaws（法律）tokeeptheanimals.5.Iftheanimalsareendangered,itmaybroketheecosystem(生態(tài)系統(tǒng)）oftheworld.§課堂導(dǎo)學(xué)方案Step1回顧2d相關(guān)知識，引出自然界的動物的現(xiàn)狀——很多動物面臨瀕危。情景導(dǎo)入瀕危動物圖片展示，引出鯊魚這種瀕危動物。用多媒體播放鯊魚的視頻，劉璇和姚明關(guān)于鯊魚的公益廣告。然后詢問學(xué)生Doyoulikeanimals?Howdoyouhelpprotecttheendangeredanimals?（4分鐘）環(huán)節(jié)說明：通過上述圖片或影片的介紹，使學(xué)生對這兩個短文有了一定的了解，從而達(dá)到導(dǎo)入新課的目的。引起學(xué)習(xí)短文的興趣。Step2完成教材3a的任務(wù)1.Sharksareendangered,readthepassageandjudgethesentencesandgivereasons.要求學(xué)生分段快速閱讀短文，熟知大意，分小組討論并完成提問任務(wù)。然后邀請幾位同學(xué)給出自己的答案，全班一起檢查討論。Readthefirstparagraph1、Wehavetokillawholesharktogetabowlofshark’sfinsoup.2、Shark’sfin（魚鰭）soupisfamousandexpensiveallaroundtheworld.ReadthesecondparagraphPeoplecutoffsharks’finsandthrowthesharksbackintotheocean.2、Sharksareinthebottomofthefoodchainintheocean’secosystem.ReadthethirdparagraphShark’sfinsaregoodforhealth.2、.WildAidandtheWWFareenvironmentalprotectiongroupsinChina.Readthepassageaboutsharksandcompletethefactsheetbelow.WheresharkfinsoupispopularNumberofsharkscaughtandtraded