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1、揚(yáng)聲器聲學(xué)基礎(chǔ)_2號(hào)筒式壓電揚(yáng)聲器電容式揚(yáng)聲器等離子體揚(yáng)聲器動(dòng)圈式揚(yáng)聲器常見(jiàn)類型揚(yáng)聲器-I電磁式揚(yáng)聲器低頻揚(yáng)聲器中頻揚(yáng)聲器高頻揚(yáng)聲器同軸揚(yáng)聲器常見(jiàn)類型揚(yáng)聲器-II松下16mm先鋒20x30mmLesson30Grandma'sBirthdayParty課前自主預(yù)習(xí)課堂互動(dòng)探究Unit5FamilyandHome課前自主預(yù)習(xí)單詞闖關(guān)1.擺放(餐具);放置;落下[set]________2.teacup['ti?k?p]________set茶杯Lesson30Grandma'sBirthdayParty短語(yǔ)互譯
2、1.舉行聚會(huì)________________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(huì))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(dòng)探究詞匯點(diǎn)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(qǐng)把椅子放在角落。Thesunsetsinthewest.太陽(yáng)在西方
4、落下。Lesson30Grandma'sBirthdayParty[探究]set的用法:詞性含義常見(jiàn)短語(yǔ)動(dòng)詞擺放(餐具);放置;落下setthetable擺放餐具setthewatch對(duì)表setanexample樹(shù)立榜樣名詞(一)套;(一)副asetof…一套……Lesson30Grandma'sBirthdayParty活學(xué)活用(1)你擺放好餐具吃晚飯好嗎?Couldyou________________________forsupper?(2)琳達(dá)有兩套彩色鉛筆。Lindahas_____________
5、___________colourpencils.setthetabletwosetsofLesson30Grandma'sBirthdayParty句型透視1It'satmygrandmaandgrandpa'shouse.它(生日聚會(huì))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(lái)表示“……的”?!癆'sandB's+名詞復(fù)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(xué)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(yǔ)。(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(xué)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