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1、Unit5LookintoScienceLesson28TheStudyofLivingThings◆教材分析1.AnalysisoftheStudentsThestudentsofGrade9havemasteredcertainvocabularies,expressionsandstructures.Theyalsohavetheabilitiesofself-teachingandworkingingroups.MostofthemarewillingtoexpresstheiropinionsinEnglish.2.AnalysisofT
2、eachingContentLesson28isthefourthlessoninUnit5,Book5.ThisunitfocusonthesubjectLookintoscience,alsoteachthestudentssomethingaboutscience.Studentscaresaboutthesubjectbecauseitisclosetoeveryone.Lesson28mainlytalksaboutthemysteriesofbutterflies,letstudentstoknowmorebiology.◆教学目标【知
3、识目标】1.Tomastertheword:biology,butterfly,migrating,fantastic,completely,grandchildren,female,chemical.2.Tomastertheexpressions:drawone’sattention,returnto…,asmanyas,layeggs,atauniversity,smallpieceofforest,leavefor.【能力目标】Improvethestudents’abilityofspeaking,listening,readingand
4、writing.Describesomemysteriesofnature.【情感目标】Knowmoreaboutthenature,Createthecooperationamongthestudents.【教学重点】Tomasterthebiology.【教学难点】Tolearntheadverbialclauses.◆课前准备◆Taperecorder,Multimedia◆教学过程Step1.Warm-upFreetalk:Thinkaboutit!1.Wouldyouliketobeabiologistwhenyougrowup?Whyo
5、rwhynot?2.Whatmysteriesofnaturedoyouknowabout?Step2.Presentation1.Leadin:Showthepictureofbutterfly.2.Explainthenewwords.3.Showsomebutterfliesandaskstudents:aretheybeautiful?Whatdoyouknowaboutthem?4.Readthelessonbythemselves.1.Explainthelanguagepoints:havebeendoingsth.:“一直在做某事”
6、,表示从过去某时开始的某个动作或状态一直延续到现在,而且还在进行。表示动作的延续性、重复性以及感情色彩等。drawone’sattention:“吸引某人的注意力”。thephrasesaboutattention:drawone’sattentiontosth.使某人注意某事payattentiontosth.注意、留心giveone’sattentiontosth.关心catchone’sattention引起某人注意as…as…像......一样否定形式:notas/so...as...eg:Idomyhomeworkascarefullya
7、smybrotherdoes.我做作业像我哥哥一样认真。spend:度过,花(钱/时间)”过去式和过去分词都是spent。spendtime/money(in)doingsth.花费时间/金钱做某事spendtime/moneyonsth.在某物上花费时间/金钱spendtimewithsb.和某人一起度过时光layeggs:产卵lay的过去式和过去分词都是laying.cutdown:砍伐both...and...:......和......用于连接两个并列成分。当它做主语时,谓语动词使用复数形式。=notonly...but(also)...不
8、仅......而且......反义词组:neither...nor...既不......也不......Step3.Pra