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1、Unit10Didyouknow?一、单元要点1．知识概述（1）掌握本单元出现的生单词、词组和句型。（2）掌握形容词最高级的用法。（3）初步了解过去时态。2．单元重点词汇world,tallest,metre,shortest,was,Britain,giraffe,land,animal,sailfish,travel,per,hour,Australia,mountain,theMountEverest,river,theNile,snowman,whale,ton,strongest,weakest,ce
2、ntimetres,difficult.3．交际用语（1）TheGreatWallisthelongestwallintheworld.（2）—Howtallareyou?—Iamone-hundredandforty-ninecentimetrestall.（3）Whatcanyoueasilydowhenyouareverytall?（4）Whatcan’tyoueasilydowhenyouareverytall?（5）Whichanimalisbigger?（6）—Whichanimalisthebig
3、gestofthethree?—Thesheepisthebiggest.二、单元学习1．Listen,number,pointandread.（1）Newwordsandexpressions.Thegiraffeisthetallestland(陆地）animal.It`s5.5meterstallThetallestmaninChinais2.36metrestallThefastestplaneisintheUSA.ittrsvelsat3.530kmperhourThebiggestanimalist
4、hebluewhale.Itis30meterslongand150tonsThebiggestplantsaretreesThefastestcarisinBritain.Ittravelsat1020kmperhour.Thefastestfishisthesailfish.Itcantravelat100kmperhour.TheshortestwomaninChinawas79cmtallwhenshewas19TheGreatWallisthelongestwallintheworld.Itis6.3
5、50kmlong.ThehighestmountainistheMountEverest.Thetallestsnowmanwas22metresThelongestriveristheNile.Itis6.673kmlong.（2）Newsentences.①TheGreatWallisthelongestwallintheworld.②ThetallestmaninChinais2.36metrestall.③TheshortestwomaninChinawas79cmtallwhenshewas19.此句
6、是be动词在一般过去时中的变化，规律为：am和is在一般过去时中变为was；are在一般过去时中变为were。一般过去时意义：表示过去某个时间发生的事情或存在的状态，或过去经常发生的动作。过去式的形式由动词的过去式表示；动词be除第一，第三人称单数用was，其余都用were。④ThefastestcarisinBritain.Ittravelsat1,020kmperhour.⑤Thegiraffeisthetallestlandanimal.Itis5.5metrestall.⑥Thefastestfishi
7、sthesailfish.Itcantravelat100kmperhour.旗鱼⑦ThefastestboatisinAustralia.Ittravelsat556kmperhour.⑧ThefastestplaneisintheUSA.Ittravelsat3,530kmperhour.⑨Thebiggestplantsaretrees.⑩ThehighestmountainistheMountEverest.埃佛勒斯峰⑾ThelongestriveristheNile.Itis6,673kmlong.⑿
8、Thetallestsnowmanwas22metres.⒀Thebiggestanimalisthebluewhale.Itis30metreslongand150tons.（3）Pronunciation.①字母C发[k]时，舌后部隆起，紧贴软腭，形成阻碍，然后突然放开，让口腔内气流冲出，爆破成音。发音时声带不振动。e.g.catcutcoldcampcountry②字母C发[S]
