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1、ReviewofUnit13-Unit14一、教学目标：1.语言知识目标基本词汇：litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,shark,fin,method,cruel.Harmful,chain,ecosystem,industry,law,scientific,afford,reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspiration,iron,work,metal,cr
2、eativity,wsurvey,standard,row,keyboard,method,instruction,text,level,degree,manager,gentleman,task,wing,double,shall,overcome,congratulate,caring,senior,thirsty,thankful,separate,ours,ahead基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pull…down,brin
3、gbackinarow,lookbackat,makeamess,keepone’scool,seniorhigh,goby,believein,firstofall,bethirstyfor,bethankfultosb.,aheadof,alongwith,beresponsiblefor,setout,separatefrom基本句型：We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkfinsaregoodf
4、orhealth.Howhaveyouchangedsinceyoustartedjuniorhighschool? I’vebecomemuchbetteratspeakingEnglish.Whatareyoulookingforwardto?I’mlookingforwardtogoingtoseniorhighschool.2.技能目标:能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。3.情感目标:有环境危机意识，学会关注环境保护环境。二、教学重难点：1.教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。（2）
5、保护环境的措施方法和对过去事件的描述。2.教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型，以及对过去事件的描述。TeachingproceduresStep1ReadingSsreadthewordsinUnit13andUnit14togetherinordertomemorizethemclearlyandunderstandthemcorrectly.Step2DictationAfterreading,askfourstudentstocometotheblackboardandhaveadictationtocheckiftheyhave
6、masteredthem.Step3Explanation.考点一辨析cost,spend,take与pay辨析cost,spend,take与pay[具体讲解见本书P26]It’sgoodforhealthanditdoesn’tcostanything.它有益于健康，且不花费任何东西。(Unit13P98)考点二afford的用法Wecan’taffordtowaitanylongertotakeaction.我们不能再等了，必须采取行动。(Unit13P100)afford为动词，意为“花费；能够做；承担得起(后果)；提供；给予”。如：Canweaffordanewcar?我
7、们能买得起一辆新车吗？afford指“给予”时，可接双宾语。如：Myparentsaffordmenearlyallthethings.我的父母几乎给予了我一切。affordtodo是“负担得起做某事”，通常和can(could)，can’t(couldn’t)，beableto连用，且afford不用于被动语态。如：Shecanhardlyaffordtowaitforanotherhour.她几乎做不到再多等一小时了。注意：afford可以用于金钱方面，但不直接以
