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1、Unit13We’retryingtosavetheearth!SectionA(3a-3b)教师寄语：Toprotectenvironmentistoprotectourselves.（保护环境就是保护我们自己。）I.Learningaims：（学习目标）1.(1)Tolearnandmasterthenewwordsandexpressions:cruel,harmful,law,scientificbeharmfulto,atthetopof,thefoodchain(2)Tolearnthetargetlanguag
2、es:Weshouldhelpsavethesharks.Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.2.Tounderstandthereadingmaterial,andimprovereadingskills.3.Toknowtheimportanceofprotectinganimalsandourenvironment.II.Learningguide:（学习导航）1.Iftheirnumbersdroptoolow,itwillbringda
3、ngertoalloceanlife。如果它们（鲨鱼）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表达全球海洋中鲨鱼的总量。当表示数值的高或低时，number要用high或low修饰。Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20-30years.在过去的20到30年，某些品种的鲨鱼数量下降了超过90%。常与number搭配的动词有grow,fall等。2.WildAid和WWF组织：WildAid（美国野生救援协会
4、）是保护野生动物及栖息地环境的一个非营利性的机构，1999年注册成立，其宗旨是保护及救助世界范围内的野生动物；WWF（世界自然基金会）英文全称为WorldWideFundForNature,成立于1961年，是享有国际声誉，全球最大的独立性非政府环境保护组织之一。III.Warmingup:（课前热身）Readthepassageandmatchthephraseswiththeirmeanings.hearof不再atthetopof对…有害cutoff例如，比如thefoodchain到目前为止infact听说noton
5、ly,butalso食物链suchas切除，切割beharmfulto在…的顶端nolonger事实上sofar不但，而且IV.Classroominquiry:(课堂探究)1.3a.Readthepassageaboutsharksandcompletethefactsheetbelow.2.3b.Readthepassageagainandfillintheblankswiththewordsinthebox.3.Fillintheblanksaccordingtothetext.Somepeopleliketoeats
6、harksoup,butgettingtheshark’sfinisvery.Whenpeoplecatchsharks,theytheirfinsandthrowthesharksbackintotheocean.Thesharkslowlydiesbecauseitcan’tswimwithoutafin.Anditisalsototheenvironment.Sharksareattheofthefood.Environmentalprotectiongroupshaveevenaskedgovernmentstode
7、veloptostopthesaleofsharkfins.Sofar,nostudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpthesharks!V.Exercises:(中考链接)用所给词的适当形式填空：with,small,environment,up,kill,fall,low,harm,eat,dead,science,offHaveyoueverheardofsharkfinsoup?Doyourealizethatyou1awholesh
8、arkeachtimeyouenjoyabowlofsharkfinsoup?Whenpeoplecatchsharks,theycut2theirfinsandthrowthembackintotheocean.Thisisnotonlycruel,butalso3totheenviro
