Unit2I'llhelptocleanupthecityparks.Period2SectionA3a-4c【教学目标】知识与技能（1）熟练掌握下列词汇：Several,strong,feeling,satisfaction,joy,owner,journey,raise,along,（2）熟练掌握下列短语：Tryout,cleanup，giveoutcomeupwith=thinkup想出usedtodo过去常常做某事thelookofjoy,tryout:试，实验attheageof,after-schoolreadingprogram,putup,handout,cheerup,（3）掌握下列句型：本节出现的所有不定式句型Mariobelievesitcanhelphimtogethisfuturedreamjob.Shedecidedtotryoutforavolunteerafter-schoolreadingprogram.过程与方法阅读理解，语法总结，做语法练习题情感、态度与价值观使学生在谈论如何为别人提供帮助的对话中能意识到尽己所能，帮助他人，乐于奉献是一种良好的品德，培养学生为他人着想，热爱公益事业，乐于助人的优良品质。【教学重难点】重点：1.重点词汇用法及短语动词用法。2.理解短文大意，把握细节。难点：理解短文大意，把握细节。【导学过程】一．新课预习翻译下列词组：1.放弃______________2.动物医院________________3.关心____________4.实现______________5.attheageoffour________________6.tryoutfor______________7.after-schoolreadingprogram__________________8.张贴____________9.分发______________10.打电话________________11.使振奋__________12.想出_______________13.捐赠________________14.推迟____________15.闲暇时间____________16.考虑__________________17.制定计划_____________18.无家可归的人______________20.停止做某事_______________二.情景导入复习上节课内容，角色扮演2d部分。然后阅读短文，回答问题。三．合作探究1.读文章。回答下列问题,完成3a&3b。(1)WhatdoMarioandMaryvolunteertodo?(2)WhydoMarioandMaryvolunteertohelpothers?(3)Whatdotheysayaboutvolunteering?2.再读文章，勾画出其中的重点短语。3.用动词不定式填空，完成3c。4.朗读并翻译GrammarFocus里的句子，注意其中几个短语动词的用法。5.用表格中的短语动词填空，完场4a。6.用方框中所给单词的正确形式填空，完成4b,朗读短文，勾画出其中的重点短语。四，点拨总结1.MarioGreenandMaryBrownfromRiversideHighSchoolgiveupseveralhourseachweektohelpothers.来自河畔高中的马里奥.格林和玛丽.布朗每周都会花几个小时去帮助别人。【解析1】giveup放弃giveupdoingsth=stopdoingsth放弃做某事()IfindittoodifficulttolearnEnglishwell.Iwanttodropit.A.giveupitB.giveitupC.giveawayitD.giveitaway2.ButIwanttolearnmoreabouthowtocareforanimals.【解析】carefor照看；照顾；照料Manystudentsinourschool_______theoldandtheyusuallyoffertheirseatstothemonbuses.A.worryaboutB.careforC.agreewithD.takecare【拓展】care的短语总结takecare=becarefulv.当心，小心takecareof=lookafterv.照顾，照料，照看takecareof处理，做完careforv.照顾，照看3.Shecouldreadbyherselfattheageoffour.她在四岁的时候就能够独自阅读。【解析】attheageof在......岁的时候=whensb.was...yearsold.—DoyouknowMoYan?—Ofcourse,Hewonthe2012NobelPrizefourLiterature_____theageof57.A.inB.atC.onD.To4.Lastyear,shedecidedtotryoutforavolunteerafter-schoolreadingprogram.去年，她决定尝试在一个课后阅读项目中做一名志愿者。【解析】tryout尝试；实验tryv试图，设法，努力【拓展】(1)tryon试穿(2)trytodosth努力做某事【侧重尽力做】(3)trydoingsth试图做某事【侧重尝试做】(4)tryone’sbesttodosth=doone’sbesttodosth尽某人最大努力做某事①Weshould__________________(尽最大努力)tobehappyinthefuture.()②Weshouldtry___muchfruit.A.eatB.toeatC.eatingD.Eats5.【解析】homen.家→homelessadj.无家可归的behometo…=bethehomeofsb.成为…家园ahomelessboy一个无家可归的男孩【拓展】由home构成的合成词：homelandn祖国hometownn家乡homework家庭作业homelessadj.无家可归的home-madeadj.自制的careless粗心的hopeless没有希望的helpless无助的usel...
