高中英语 unit 5 canada-“the true north”词汇导学案新人教版必修3

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1、Unit5Canada—“TheTrueNorth”SectionIwordsandExpressionsTaskI借助所给例句提供的语境，体验、理解以下核心单词和短语的含义，并通过合作、探究，使用词典等手段，归纳出其主要用法，并能在合适语境下恰当使用它们。1.chatvi.talkinafriendlyinformalway,especiallyaboutthingsthatarenotimportant(chatted;chatted;chatting)n.aninformalfriendlyconversation含义：______【观

2、察】(1)Onthewaytothestation,hechattedabouttheirtrip.词性：______结构：______(2)MykidsspenthourschattingabouttheWorldCupwitheachotheronthephonetotheirfriends.词性：______结构：______(3)Ihadalongchatwithherfavoritemovies.词性：______结构：______【拓展】chat可以用作动词和_______;chat是______(及物/不及物)动词；chat是重

3、读闭音节，故其过去式，过去分词，及现在分词均需__________;chatwithsb.aboutsth._____________.【练习】1）Thetwofriends___________abouttheirexperience.2）Thetwofriendssatinacorner,___________abouttheirexperience.3）Theydroppedinfora____________lastnight.2.surroundvt./vi.beallaroundsomeoneorsomethingoneverys

4、ide含义：______【观察】1）ItisCanada’smostbeautifulcity,surroundedbymountainsandthePacificOcean.2)Talltreessurroundthelake.结构：______含义：______3)Afterthemeetinghewassurroundedbyacrowdofreporters.结构：______含义：______【拓展】1)surroundingadj.含义：______2)surroundingsn.含义：______surroundings用作名词

5、表示“环境”,常用___________（单数/复数）。【练习】1)WhenJohncamebacktohimself,hefoundhimself___________byhisfans.2)Shesatonthegrasswithherstudents_________herself.1.mixvt./vi.combinetwoormoredifferentsubstances含义：______【观察】1)Thefamiliesareusuallymixedup.词性：______结构：______2)Oilandwaterdonotmi

6、x.词性：______结构：______3)Ifyoumixbluewithyellow,yougetgreen.词性：______结构：______【拓展】1)mixturen.acombinationofdifferentthings含义：______Ilistenedtohisadventurewithamixtureofamusementanddisbelief.结构：______Thecityisamixtureofoldandnewbuildings.结构：______2)mixup:changetheorderorarrange

7、mentofagroupofthings;含义：______thinkwronglythatsb.issb.else”含义：______【练习】1)Iwas________upbywhatyousaid.________________________________(翻译)2)It’scommontomixhim________withhisbrother,becausethey’retwinbrothers.___________________________________________________________(翻译)2.c

8、onfirmvt.stateorshowthatsomethingisdefinitelytrueorcorrect,especiallybyprovidingev