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1、Unit2I’llhelptocleanupthecityparks.Thefirstperiod:NewwordsandphrasesTeachingandLearningGoals：一、词汇和常用表达：1.能争取使用下列词汇(Curriculumwords)volunteer,sign,notice,lonely,several,strong,feeling,satisfaction,joy,owner,journey,raise,alone,repair,broken,wheel,letter,disabled,blin
2、d,deaf,imagine,difficulty,open,door,carry,train,excited,training,kindness,lever,understand,change,interest,sir,madam2.能争取使用下列常用短语（Usefulexpressions）cleanup,cheerup,giveout,comeupwith,putoff,handout,callup,usedto,carefor,tryout,fixup,giveaway,takeafter,setup,makeadif
3、ference,二、技能目标：听懂“帮助他人，参加社会公益活动”的相关话题及文章；掌握向别人求助或提供帮助的一些句式;掌握短语动词及动词不定式的一些用法。三、情感教育：学会关注身边的生活环境，关注他人，社会，利用自己的特长为他人、社会做贡献，投身于社会公益活动，增强社会责任感。TeachingandlearningstepsPre-reading:StepOnePreview预习单词及短语Step1: Learntoreadthewords1.Askthestudentstoreadthewordsbythemselvesus
4、ingthephoneticsandunderlinethedifficultwords,suchasvolunteer,satisfaction,journey,imagine...2.Encouragethestudentstoreadthedifficultwordswiththeirpartners.3.Gettwoorthreestudentstoreadallofthewords.Asksomeotherstudentstocorrectthepronunciationaspossibleastheycan.Ifn
5、ecessary,theteachercorrectsthem.4.Readthewordsafterthetapeandimitatethepronunciation.5.Thestudentsreadthewordsaloudthemselveswhiletheteacherwalksaroundtheclasstoseeifthestudentshaveanyquestions.[操作说明]首先由学生自己根据音标识读单词，并标划出识读时有困难的单词。鼓励学生以两人一组为单位解决有困难的单词。接着找两三个同学读单词，如果有
6、发音错误，请其他学生先纠正，必要时，教师再更正。然后让学生跟录音读，模仿发音，最后学生再自由，教师解决学生可能遇到的问题。【设计意图】该步骤能有效培养学生个人识读单词的学习习惯，这是学习单词的重要一步；能培养学生自主、探究和合作学习的能力。Step2:RememberthewordsA.Remembersomeofthewordsbylookingatthepicturesandthesentences.volunteer1.Sheisavolunteer(n.).Shevolunteers(v.)tohelpothers.s
7、ign2.Lookatthesign.Itsays:Nosmoking!notice3.Inotice(v.)anewnotice(n.)onthewall.journey4.Theyarehavingalongjourney.wheel5.Abikehastwowheels.letter6.Thisisathank-youletter.blinddeafHelenKellerisablindanddeafwoman.Butsheisverygreat.opendoor7.Sheisopeningthedoor.[操作说明]运
8、用课件、图画和动作等创设语境，让学生直观地理解单词的意思。【设计意图】利用语句促进理解，加深记忆，培养学生用英语思维的习惯。B.Remembersomeofthewordsbyconversion(转换),derivative（派生）andsimilarmeaning.1．转
