九年级英语上册 unit 1 topic 3 the world has changed for the better section b导学案（新版）仁爱版

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1、Unit1Topic3Theworldhaschangedforthebetter【学习目标】1.继续学习含有since和for的现在完成时，进一步了解现在完成时与一般过去时的区别；2.学习合成词的构成方法；3.学会关心他人，让世界充满爱。【预习案】一、读1a，填写1b的空格二、在文中找到并划出下面的短语1.给我看一片有趣的文章________________________2.无家可归的人_________________________________3.数百人________________4.重新工作__

2、___________5.过正常生活__________________________________6.发现需要帮助的人_____________________________7.选定适当的方式____________________________8.medicaltreatment____________________________9.给他们提供住处______________________________10.对自己有信心_______________________________11.cha

3、ngeforthebetter___________________________12.accordingtotheconversationabove_______________13.多亏了这个节目______________________________14.说出两者的不同______________________________15.因为腿伤____________________________________【探究案】一、读2b，用for和since填空并总结非延续性动词（短暂性动词）和延续性动词

4、之间的转换规律a.die---bedeadb.leave---__________________c.cometo---___________________d.join…---_____________________e.buy---___________________f.borrow---_________________拓展：a.finish---beoverb.begin/start---beonc.getto/reach/arrivein---bein/atd.become---be练习：观察2b中的

5、句子，将下面一般过去时的句子转换为现在完成时a.Themeetingfinishedamomentago.→_____________________________________________________________b.Thefilmbegan5minutesago.→__________________________________________________________________c.Theygottotheairportanhourago.→___________________

6、___________________________________________d.Hebecameadoctor5yearsago.→________________________________________________________________二、在文中划出下面的句子并分析1.Itisaboutaprogramthathelpshomelesspeople.译：__________________________________________________点拨：program---节

7、目,组织…注意：that在此引导了一个定语从句，修饰前面的program练习：a.Thatisaseriousproblemthatmakesusworryabout.译：____________________________________________b.Hecameupwithagoodwaythathelpedhimsolvetheproblemsuccessfully.译：________________________________________________________________

8、________2.Oncetheyfindpeopleinneed,theydecideonsuitablewaystohelpthem.译：_____________________________________________________________________________点拨：once---一旦…就…(连词)，引导时间状语从句，从句中用一般现在时