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1Unit8WorkandPower(学案1)主备：李荣荣研备：英语教研组时间：学习目标1）学习和掌握power，calculate,equation,等重点单词及相关短语的用法。2）学习和掌握prevent...from,inorderto...等短语的用法。3）能够理解文章的的基本内容，学习并掌握数学四则运算的正确读法，能校正确的语音，语调朗读课文和复述课文。学习重难点：重点单词和短语的用法。学法指导：reading,skimming,scanning.I.学情调查，情景导入1预习学案检查情况反馈II.问题展示，合作探究Step1:Warmup(课前热身)I.重点单词1.功率，权力n.2.工作，功n.________________3精确的adj.4.防止，阻止v.______________5计算（v.）6等于，相等v.___________________7.方向，指导n.8.时间，倍数n.9.运动员n.10.运用，申请v./n._____________11.高度n.12.重量n.13推v.________________14.得到，获得15引擎，发动机n._______________/工程师n._______________________16.计算、测量v./n.17.快、加速地adv.______________18秒n.______________________19举起v.__________________20.数学n._________________21.加（+）prep.____________/__________减（—）prep.______________乘以（*)prep._____________/____________________________除以（/)prep.________________________等于v.____________________________/_______________/___________2+3=5读作：____________________________________________导：课堂探究一．自主学习（要求独立完成，自主解决不了的问题用铅笔做出标记）Step2.II.重点短语1.阻止……做……2.inwords23.apply…to4.workout5.为了做某事__________________6bemeasuredin______________7.inthedirectionof...________________8thatistosay______________________9inthisway__________________________10ameasureof_______________11somethingprecise__________________思：二.合作探究（针对自主学习解决不了的问题，在组内讨论）Step3.leadinLet’slookatthetwopicture:1.whatisthemandoing?___________________________________________________________________________2.Whatisthewomendoing?___________________________________________________________________________议：step4.Reading1.Whatisthedefinitionof“work”?___________________________________________________________________________2.Howdoyoucalculatetheamountofworkdone?___________________________________________________________________________3.Whatisthedefinitionof1“joule”?___________________________________________________________________________4.Whatisthedefinitionof“power”?___________________________________________________________________________5.Whatisthedefinitionof1watt?___________________________________________________________________________展：三.展示讲解（针对合作研讨解决不了的问题，由已会的同学或老师讲解）Step5.III.Languagepoints:1.①everydayadj.__________，_______________，在句中作___________。E.g.:Don’tbetroubledwith_______________________.不要被这些日常的琐事而打扰。②everydayadv.____________，在句子中做_____________。E.g.He________speakingEnglish_______________.他每天练习说英语。2.cause……todosth.引起……做……E.g:Thedrought(干旱)________the___________die.干旱造成了植物的枯萎。3.preventsb.fromdoingsth.=_________________,阻止某人做……E.g.①Wemust________________________________.我们必须阻止他们捣乱。②Theheavyrainyesterday______________________.昨天大雨使我们来不了。4.inthedirectionof意思是__________________①Sheturned________________________thepark.她转向公园的方向。3②Hewalkedhurriedly_________________________________________________.他沿着颐和园方向走去。5.thatistosay=____________,意思是________________做插入语，用来对上文补充说明，前后都有逗号。E.g①贝利没有去，也就是说，他呆在家里。Bailydidn’tgo,________________________,hestayedathome.②他是一个厨师，也就是说，一个做饭的人。Heisacook,__________,amanwhocooksmeals.6.①inordertodo为了做……，以便……E.g.:Let’swalkfaster_____________________________．为了保持身体暖和。②inorderthat+从句，意思是：为了……E.g.:Heworkedhard_____________________________________．他努力工作，为的是要成功。7.___________v.称重n.重量____________________adj.高的n.高度_____________________adj.长的n.长度_____________________adj.强有力的n.强度、力量_____________________adj.深的n.深度____________________adj.宽的n.宽度___________8.sothat以便……E.g.:Weleftearly___________wecould_______________________.我们很早出发，以便能赶上第一班火车。9.workoutv.________;_________=gettheresultofE.g.Ican’t_______________________.我解不出那些习题。10.measure①n.度量制，度量单位ameasureof……___________________E.g.:Aninchis_______________________.英寸是长度的度量单位。②bemeasuredin________________________---E.g.:Therethesnowfall_______________________.那里的降雪是以英尺为单位计算的。11apply...to...把....施加到...E.g.He_________aforceof200newtons______thetable.他施加了一个200牛的力给桌子。练：Step6.ExerciseDotheexerciseonp96instudentsbook.Step7.HomeworkRemembertheimportantwords,phrases.4Retellthepassage.学后记：________________________________________________________________