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1、SectionA4(GrammarFocus)一、教学目标：1.知识与技能：学习掌握下列词汇：fridge,low,somebody,translate,lock,earthquake,sudden,allofasudden,biscuit,cookie,instrument2.过程与方法：1)陈述与讲解。2）合作与探究。3.情感态度价值观目标：培养想象力，善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。二、教学重难点1.教学重点：1)学习生词fridge,low,somebody,translate,lock,earthquake,su
2、dden,allofasudden,biscuit,cookie,instrument2)复习巩固SectionA部分所学的生词和词组，达到熟练运用的目标。2.教学难点：一般过去时态的句子变为被动语态。三、教学过程Ⅰ.Warming-upandrevision1.Haveadictationofthenewwordslearnedinthelastclass.2.Reviewsomemainphraseswelearnedinthelastclass.Checkthehomework.3.LetsomeSstellsomethingabouthowteawasinv
3、entedbyaccident.Tellsomethingabouthowteawasinventedbyaccident.OnedayShenNongwasboilingdrinkingwateroveranopenfire.Someleavesfromateaplantfellintothewaterandremainedthereforsometime.Itproducedanicesmellsohetastedthebrownwater.Itwasquitedeliciousandoneoftheworld’sfavoritedrinkwasinvented
4、.TellsomethingaboutLuYuandhisChaJing.LuYu“thesaintoftea”mentionedShenNonginhisbookChaJing.Thebookdescribeshowteaplantsweregrownandusedtomaketea.Italsodiscusseswherethefinesttealeaveswereproducedandwhatkindsofwaterwereused.ItisbelievedthatteawasbroughttoKoreaandJapanduring6thand7thcentu
5、ries.InEngland,teadidn’tappearuntilaround1660.TheteatradefromChinatoWesterncountriestookplaceinthe19thcentury.Ⅱ.GrammarFocus.1.学生阅读GrammarFocus中的句子，然后做填空练习。2.学生们根据记忆，看大屏幕来完成填空练习。Ⅲ.Grammar一、一般过去时态的被动语态的构成英语有两种语态：主动语态和被动语态。主动语态表示主语是动作的执行者，而被动语态则表示主语是动作的承受者。如：Wecleanedtheclassroomyesterda
6、y.我们昨天打扫了教室。(主动语态，主语we是clean这一动作的执行者)Theclassroomwascleanedyesterday.教室昨天被打扫。(被动语态，主语theclassroom是clean这一动作的承受者)二、被动语态的用法：1.不知道谁是动作的执行者，或没有必要指出谁是动作的执行者。e.g.Englishisspokenallovertheworld.全世界都在说英语。2.需要突出或强调动作的承受者。e.g.Thisdictionaryisusedbymoststudents.这本字典是大多数学生在用的。Ⅳ.Exercises练一练将下列句子变为
7、被动语态。1.Hechosesixstorybookstheotherday.Sixstorybooks____________byhimtheotherday.2.UncleLeegaveJackalargecakeforhepaintedthewallwonderfully.Jack___________alargecakeforhepaintedthewallwonderfully.3.Amouseatehalfofthecakelastnight.Halfofthe_________byamouselastnight.将下列句子变为主动语态。4.Were
