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1、Unit5LookintoScienceLesson28TheStudyofLivingThings◆教材分析1.AnalysisoftheStudentsThestudentsofGrade9havemasteredcertainvocabularies，expressionsandstructures.Theyalsohavetheabilitiesofself-teachingandworkingingroups.MostofthemarewillingtoexpresstheiropinionsinEnglish.2.AnalysisofTeac
2、hingContentLesson28isthefourthlessoninUnit5,Book5.ThisunitfocusonthesubjectLookintoscience,alsoteachthestudentssomethingaboutscience.Studentscaresaboutthesubjectbecauseitisclosetoeveryone.Lesson28mainlytalksaboutthemysteriesofbutterflies,letstudentstoknowmorebiology.◆教学目标【知目】1.To
3、mastertheword:biology,butterfly,migrating,fantastic,completely,grandchildren,female,chemical.2.Tomastertheexpressions:drawone’attention,sreturnto⋯,asmanyas,layeggs,atauniversity,smallpieceofforest,leavefor.【能力目标】Improvethestudents’abilityofspeaking,listening,readingandwritingDesc
4、ribe.somemysteriesofnature.【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?Whyorwhynot?2.What
5、mysteriesofnaturedoyouknowabout?Step2.Presentation1.Leadin:Showthepictureofbutterfly.2.Explainthenewwords.3.Showsomebutterfliesandaskstudents:aretheybeautiful?Whatdoyouknowaboutthem?4.Readthelessonbythemselves.5.Explainthelanguagepoints:havebeendoingsth.：“一直在做某事”，表示从过去某时开始的某个动作或状
6、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......一否定形式：notas/so...as...eg:Idomyhomeworkascarefullyasmybrotherdoes.我做作像我哥
7、哥一真。spend:度，花(钱/时间)”去式和去分都是spent。spendtime/money(in)doingsth.花/金做某事spendtime/moneyonsth.在某物上花/金spendtimewithsb.和某人一起度光layeggs:卵lay的去式和去分都是laying.cutdown:砍伐both...and...:......和......用于接两个并列成分。当它做主，使用复数形式。=notonly...but(also)...不......而且......反：neither...nor...既不......也不......
8、Step3.Practice1.Listenandfollowtothetape
