八年級英語下冊 Unit 7 What's the highest mountain in the world（第4課時）Section B(1a-1d)課件 （新版）人教新目標版 (2)

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1、Unit 7 Whats the highest mountain in the world?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。【拓展】weight名詞，意為“體重；重量”。 倍數(shù)表達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

2、times 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 i

3、n yours.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形式填空。1 Mom， I can look after myself well， I am already an _now.2 That elephant _about 5， 000 kilos.3 Baby pandas doe

4、snt have any _4 Are pandas very small at_?Yes， and people need to take care of them very carefully.5 The _cars people drive， the _pollution there will be.weighs teethbirthfewer less adult 二、單項選擇。( )6.Linda， you look thinner.How much do you _ now?About 50 kilos.A develop B rise C drop D weigh( )7.I k

5、now _ about Jinzhou than you， so tell me some please.A little B more C less D much( )8.My pet dog feels like standing _ his two legs.A in B by C on D ofDCC ( )9.Do you know how to say 6， 759 in English?Yes， _.A six thousand seven hundred and fiftynineB six thousand and seven hundred fiftynineC six t

6、housand seven hundred fiftynineD six thousand seven hundred fifty and nine( )10.My garden is _ yours.(易錯題)A twice larger than B as large twice asC larger twice than D as 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

7、.11._B：Wow， thats small！ I know a panda weighs many 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.GD A： 13._B： No， a baby panda is pink and it cant see.14._A： How long can pandas live?B： 15._A It also dont have any teeth.B They can live up to 20 to 30 years.C What colour is the baby panda?D What about the size of a baby panda?E Is a baby panda also black and white?F It can eat 10 kilos of food a day.G When theyre born， they only weigh about 0.1 to 0.2 kilos.E AB