Chapter4Adangerousservant一重点词汇servantn.仆人change….into…v.把…变成apacketofsweetsn.一包糖果trickv.欺骗explanationn.解释，说明atlastadv.最后becarefulwith对…小心looklikev.看起来像flowv.流动scratchv.抓、invisibleadj.看不见的measurev.测量formn.形式amountn..数量，总量energyn.能量billn.帐单lightbulbn.电灯泡monthlyadv.每月beconnectedtov.与…连接inaway在某种程度上buryv.埋葬grinn.v.露齿而笑metern.计量器，电表cablen..电缆拓展词汇electricityn.电powerstationn.电站producev.产生energeticadj.精力充沛的movementn.运动explainv.解释，说明containv.包含二重点句式宾语从句1）shedoesn’tevenknowwhatelectricityis2）doyouknowwhatelectricityis?3）Canyoutellmewwhatitlookslike?4）Doyouknowwhereelectricitycomesfrom?三重点语法情态动词can,must,may的使用法四教学建议1．Reading1)askthestudentstotellwhattheitemsareinthepicturesonpage44beforedoingExerciseA.2)askthestudentstoactoutthedialogueinrolesafterlearningthewholepassage.2.listeningit’sdifficultforthestudenttounderstandthesituation.Therefore,theteachershouldgiveanexplanationbeforedoingthisexercise3.Languageitisnecessaryforteacherstotellthestudentsthedifferencesofusageaboutthethreewords“can,must,may:”afterstudyingthewholesection.4.Speakingstressthatstudentsmustpaycloseattentiontopronouncingthecorrectsound.ThenaskthemtodoA1,A2,andA3.5.WritingaskeachstudenttothinkofonerulefortheclassroomwhentheydoExerciseB2.五人文教育1．Don’twasteelectricity.2．Useelectricitysafely.3．Obeyrulesanytime,anywhere.
