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1、揚聲器聲學基礎_2號筒式壓電揚聲器電容式揚聲器等離子體揚聲器動圈式揚聲器常見類型揚聲器－I電磁式揚聲器低頻揚聲器中頻揚聲器高頻揚聲器同軸揚聲器常見類型揚聲器－II松下16mm先鋒20x30mmLesson30Grandma'sBirthdayParty課前自主預習課堂互動探究Unit5FamilyandHome課前自主預習單詞闖關1.擺放(餐具)；放置；落下[set]________2.teacup['ti?k?p]________set茶杯Lesson30Grandma'sBirthdayParty短語互譯
2、1.舉行聚會________________2．和……玩耍________________3.setthetable________________4．havefun________________haveapartyplaywith…擺放餐具玩得高興Lesson30Grandma'sBirthdayParty句型在線1.它(生日聚會)在我奶奶和爺爺家舉辦。It'satmy________and________house.2．我妹妹琳正在和我的表妹海蒂一起玩。MysisterLynnis___________
3、__mycousin,Heidi.3．我奶奶收到很多禮物。Mygrandma________manypresents.grandmagrandpa'splayingwithgetsLesson30Grandma'sBirthdayParty課堂互動探究詞匯點睛setv.擺放(餐具)；放置；落下[觀察]MybrotherBobissettingthetable.我的哥哥鮑勃正在擺放餐具。Pleasesetthechairinthecorner.請把椅子放在角落。Thesunsetsinthewest.太陽在西方
4、落下。Lesson30Grandma'sBirthdayParty[探究]set的用法：詞性含義常見短語動詞擺放(餐具)；放置；落下setthetable擺放餐具setthewatch對表setanexample樹立榜樣名詞(一)套；(一)副asetof…一套……Lesson30Grandma'sBirthdayParty活學活用(1)你擺放好餐具吃晚飯好嗎？Couldyou________________________forsupper?(2)琳達有兩套彩色鉛筆。Lindahas_____________
5、___________colourpencils.setthetabletwosetsofLesson30Grandma'sBirthdayParty句型透視1It'satmygrandmaandgrandpa'shouse.它(生日聚會)在我奶奶和爺爺家舉辦。[探究]以上例句中使用了名詞所有格來表示“……的”?！癆'sandB's＋名詞復數(shù)”表示“A的和B的……(各自所有)”?！癆andB's＋名詞單數(shù)”表示“A和B的……(共同所有)?！崩纾篖esson30Grandma'sBirthdayPartyDa
6、nny'sandJenny'sfathersarebothdoctors.丹尼的爸爸和詹妮的爸爸都是醫(yī)生。DannyandJenny'sfatherisadoctor.丹尼和詹妮的爸爸是一名醫(yī)生。Lesson30Grandma'sBirthdayParty活學活用(1)________motherscan'tgototheparents'meetingbecausetheyaretoobusy.A．Jack'sandPaulB．Jack'sandPaul'sC．JackandPaul'sD．JackandPa
7、ul(2)Lookatthemanoverthere.Heis________uncle.A.Jim'sandTim'sB.Jim'sandTimC.JimandTimD.JimandTim'sBDLesson30Grandma'sBirthdayParty2MysisterLynnisplayingwithmycousin,Heidi.我妹妹琳正在和我的表妹海蒂一起玩。[探究](1)Lynn是mysister的同位語。(2)playwithsb.意為“和某人一起玩”；playwithsth.意為“玩耍某物”
8、。例如：Don'tplaywithfire.別玩火。Lesson30Grandma'sBirthdayParty活學活用他們正在公園玩詹妮的玩偶。Theyare_________________Jenny'sdollinthepark.playingwithLesson30Grandma'sBirthdayParty3Mygrandmagetsmanypresents.我奶奶收到很多禮物。[探究]g
