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1、Unit 7Whats the highest mountain in the world?第四課時第四課時Section B (1a1d)weigh的用法作及物動詞,表示“稱的重量”。eg:Cao Cong thought of a way to weigh the elephant.曹沖想出了一個稱大象的辦法。作不及物動詞,表示“量”,后接數(shù)字。eg:She weighs 50 kilos.她的體重是50千克?!就卣埂縲eight名詞,意為“體重;重量”。倍數(shù)表達(dá)法用形容詞表示甲是乙的幾倍時,有以下三個句型:倍數(shù)形容詞/副詞比較級thaneg:This hall is four times
2、 bigger than my classroom.這個大廳比我們的教室大四倍。倍數(shù)as形容詞/副詞aseg:Asia is four times as large as Europe.亞洲的面積是歐洲的四倍。倍數(shù)the size (height,length.)ofeg:The hill is four times the height of that small one.這座山的高度是那座小山的四倍。用名詞表示“量”的倍數(shù)時,有以下兩個句型:倍數(shù)more名詞thaneg:There are four times more books in our library than in yours
3、.我們圖書館的藏書(數(shù)量)是你們圖書館的四倍。倍數(shù)as many/much名詞其他aseg:This is three times as much water in this cup as in that one.這個杯子里的水(量)是那個杯子里的三倍。重點短語歸納at birth出生時live up to活到 一、根據(jù)句意,選擇方框中的單詞并用其適當(dāng)形式填空。1Mom,I can look after myself well,I am already an _now.2That elephant _about 5,000 kilos.3Baby pandas doesnt have any
4、_4Are pandas very small at_?Yes,and people need to take care of them very carefully.5The _cars people drive,the _pollution there will be.weighsteethbirthfewerlessadult二、單項選擇。( )6.Linda,you look thinner.How much do you _ now?About 50 kilos.AdevelopBrise Cdrop Dweigh( )7.I know _ about Jinzhou than yo
5、u,so tell me some please.Alittle Bmore Cless Dmuch( )8.My pet dog feels like standing _ his two legs.Ain Bby Con DofDCC( )9.Do you know how to say 6,759 in English?Yes,_.Asix thousand seven hundred and fiftynineBsix thousand and seven hundred fiftynineCsix thousand seven hundred fiftynineDsix thousa
6、nd seven hundred fifty and nine( )10.My garden is _ yours.(易錯題)Atwice larger than Bas large twice asClarger twice than Das twice large asAA三、情景交際:從方框中選擇合適的句子補全對話。A:How much do you know about baby pandas?B:Are they much smaller than an adult panda?A:Yes.11._B:Wow,thats small!I know a panda weighs man
7、y times more than a baby.A:Thats right.The adults weigh around 100 kilos.B:12._ How small is it?A:At birth,its only 15 cm long,but an adult is around 150 cm long.GDA:13._B:No,a baby panda is pink and it cant see.14._A:How long can pandas live?B:15._AIt also dont have any teeth.BThey can live up to 20 to 30 years.CWhat colour is the baby panda?DWhat about the size of a baby panda?EIs a baby panda also black and white?FIt can eat 10 kilos of food a day.GWhen theyre born,they only weigh about 0.1 to 0.2 kilos.EAB