Unit10Didyouknow-（课件）剑桥国际少儿英语二级上册

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,centimetres,difficult.3．交际用语（1）TheGreatWallisthelongestwallintheworld.（2）—Howtallareyou?

—Iamone-hundredandforty-ninecentimetrestall.（3）Whatcanyoueasilydowhenyouareverytall?（4）Whatcan’tyoueasilydowhenyouareverytall?（5）Whichanimalisbigger?（6）—Whichanimalisthebiggestofthethree?

—Thesheepisthebiggest.二、单元学习1．Listen,number,pointandread.（1）Newwordsandexpressions.（2）Newsentences.①TheGreatWallisthelongestwallintheworld.②ThetallestmaninChinais2.36metrestall.③TheshortestwomaninChinawas79cmtallwhenshewas19.此句是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.

⑥Thefastestfishisthesailfish.Itcantravelat100kmperhour.旗鱼⑦ThefastestboatisinAustralia.Ittravelsat556kmperhour.⑧ThefastestplaneisintheUSA.Ittravelsat3,530kmperhour.⑨Thebiggestplantsaretrees.

⑩ThehighestmountainistheMountEverest.埃佛勒斯峰⑾ThelongestriveristheNile.Itis6,673kmlong.

⑿Thetallestsnowmanwas22metres.

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.cat

cut

cold

camp

country②字母C发[S]时，舌端靠近齿龈，气流由舌端齿龈间送出，形成摩擦音。发音时声带不震动。

e.g.city

cell

celebrate

ceiling2．Readandadd.3．Listenandchant.Howtallareyou?Iamonehundredandforty-ninecentimetrestall.本句中“Howtallareyou?”是用来询问别人的身高。centimetre意为“厘米”。e.g.Theboyis150centimetrestall.4．Listen,readandanswer.difficult意为“困难的”。e.g.Everybeginningisdifficult.万事开头难。Whatcanyoueasilydowhenyouareverytall?当你很高时你可以轻松地做什么？Icaneasilyreachthingswhicharehighup.Icanhelpacatoffthetreewithoutusingaladder.IcaneasilyseefootballmatchesorIcanpickapplesfromappletrees.Whatcan’tyoueasilydowhenyouareverytall?当你很高时你不可以轻松地做什么？Ican’tbuytherightshoes,clothesoreventherightbed.Ican’tstandonabusorsitinataxi…5．Look,findoutandwrite.Howtallarethey?6．Check,draw,writeandfindout.1）Findouthowtallthepeopleinyourclassare.2）Thenmakeagraphshowingtheshortesttothetallest.

7．Lookandsaythedifferences.（1）InPictureA,therearetwotrees,butinPictureB,therearefourtrees.（2）InPictureA,thereisabird,butinPictureB,therearetwobirds.（3）InPictureA,thereisnocloud,butinPictureB,thereisabluecloud.（4）InPictureA,therearethreebasketball,butinPictureB,therearetwobasketball.（5）InPictureA,thereisaboyholdacup,butinPictureB,thereisagirlholdacup.8．Askandanswerinpairs.Thedogisbigger.Thesheepisthebiggestofthethree.Samistaller.(Thispersonistaller.)Paulisthetallestofthethree.Mayisthinner.Annisthethinnestofthethree.Therabbitisquicker.Thetigeristhequickestofthethree.Thewhitesheepisfatter.Theredsheepisthefattest.Thereddressislonger.Thegreendressisthelongestofthethree.9．Look,readandwrite.三、单元小结

1．Words.2．Newsentences.（1）TheGreatWallisthelongestwallintheworld.（2）ThetallestmaninChinais2.36metrest