1、Module 1 Unit 2 Period 4Teaching Aims:Asking Wh- questions to find placese. g. Where s that?Using adjectives to describe an objecte. g. No, the air is clean.Using the introductory there to express factse. g. Yes, there is a power station in/on.Using the simple present tense to express factse. g. Pol
2、lution comes from.Key Points: Yes, there is a power station in/on.Difficult Points: Yes, there is a power station in/on.Teaching Aids:tape、 radio、word cards.ProceduresContentsMethodsPurposeWarming1.Sing songsHow are you?日 常 会 话up2.Daily talk:What do you like to eat?的操练，有Which do you like better, blu
3、e助 于 帮 助or purple?学 习 有 困What do you like to cook难 的 学 生1.1.Review:with?增 加 自 信2.airport,What do you know about心。powerstation,fire-safety?Pre-task3.factories,How does a balloon rise in thepreparation4.constructionsites, air?复习单词，traffic,1.Review:airport,power为 新 授 作5.air pollution.station, factories
4、, construction铺垫。sites, traffic, air pollution.2,Ask students tolabel themap.Giveassistance tothe lessable students.3.Goovertheanswerstogether in class.1.Point, ask and1.Ask the students to get intoanswerpairs totalkaboutairWhile-taskpollution in Garden City. Tellprocedurethem to follow the dialogue
5、 inPoint, ask and answer.2.Ask some students to comeforward to say their dialogueto the class.3.Ditributephotocopiablepage 10 and 11 to eachstudent. Tell them to fill in theanswer as ifthey were thetalkingmachine.Giveassistance tothelessablestudents.4.Ask some students to comeforward to give answers afterbeing asked questions by thestudents who are seated.通过讨论，基 本 了 解各district,island 的空气污染状况。练 习 巩 固所学，学习效果好。Read and do pattern drills.Post-task activityExercises2.Make sentences.Exercises3.Copy the new words.交 流 得 出结论，发挥Assignment集体智慧。
