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1、Unit5LookintoScienceLesson28TheStudyofLivingThings◆教材分析1.AnalysisoftheStudentsThestudentsofGrade9havemasteredcertainvocabularies，expressionsandstructures.Theyalsohavetheabilitiesofself-teachingandworkingingroups.MostofthemarewillingtoexpresstheiropinionsinEnglish.2.Analysisof
2、TeachingContentLesson28isthefourthlessoninUnit5,Book5.ThisunitfocusonthesubjectLookintoscience,alsoteachthestudentssomethingaboutscience.Studentscaresaboutthesubjectbecauseitisclosetoeveryone.Lesson28mainlytalksaboutthemysteriesofbutterflies,letstudentstoknowmorebiology.◆教学目标
3、【知识目标】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,reading
4、andwriting.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?
5、Whyorwhynot?2.Whatmysteriesofnaturedoyouknowabout?Step2.Presentation1.Leadin:Showthepictureofbutterfly.2.Explainthenewwords.3.Showsomebutterfliesandaskstudents:aretheybeautiful?Whatdoyouknowaboutthem?4.Readthelessonbythemselves.5.Explainthelanguagepoints:havebeendoingsth.：“一直
6、在做某事”，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:Idomyhomeworkascare
7、fullyasmybrotherdoes.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(al
8、so)...不仅......而且......反义词组：neither...nor...既不......也不......Step3.Pra
