八年級(jí)英語(yǔ)下冊(cè)Unit7What'sthehighestmountainintheworld第四課時(shí)SectionB1a-1d學(xué)案無(wú)答案新版人教新目標(biāo)版

1、八年級(jí)英語(yǔ)下冊(cè)Unit7Whatsthehighestmountainintheworld第四課時(shí)SectionB1a_1d學(xué)案無(wú)答案新版人教新目標(biāo)版八年級(jí)英語(yǔ)下冊(cè)Unit7Whatsthehighestmountainintheworld第四課時(shí)SectionB1a_1d學(xué)案無(wú)答案新版人教新目標(biāo)版 Page * MERGEFORMAT 5八年級(jí)英語(yǔ)下冊(cè)Unit7Whatsthehighestmountainintheworld第四課時(shí)SectionB1a_1d學(xué)案無(wú)答案新版人教新目標(biāo)版第四課時(shí)Section B (1a1d） 1.重點(diǎn)單詞：weigh2重點(diǎn)短語(yǔ):at birth3重點(diǎn)句式:T

2、he elephant weighs many times more than this panda. 1。形容詞和副詞的比較級(jí)和最高級(jí)2數(shù)字的表達(dá)1形容詞和副詞的比較級(jí)和最高級(jí)2數(shù)字的表達(dá)一、預(yù)習(xí)課本P53新單詞并背誦，完成下面的漢譯英。1重量（v.)二、認(rèn)真預(yù)習(xí)1a。1d找出下列短語(yǔ)和句型。1出生時(shí) 2大象比這只熊貓重好多倍。_Step 1情景導(dǎo)入(Show two pictures to the students.One is a picture of a panda and the other is an elephant。) Teacher：Whats this？Students：I

3、ts a panda。Teacher:Whats this？Students：Its an elephant。Teacher：Can you say something about the two animals with Comparative Forms of Adjectives and Adverbs?。環(huán)節(jié)說(shuō)明：由圖片引導(dǎo)，用比較級(jí)對(duì)兩者進(jìn)行比較，引出1a的教學(xué)內(nèi)容，過(guò)渡自然，易于理解及引起學(xué)生的學(xué)習(xí)興趣.Step 2完成教材1a。1d的任務(wù) 1。認(rèn)真閱讀1a中所給的信息，然后用這些信息仿照給出的例句對(duì)大象和熊貓進(jìn)行比較,邀請(qǐng)幾位學(xué)生說(shuō)出自己所想的句子。(5分鐘)2請(qǐng)學(xué)生朗讀出方框中

4、的數(shù)字,教師糾正讀音.為聽(tīng)力做好準(zhǔn)備.(4分鐘)3聽(tīng)錄音，標(biāo)出所聽(tīng)到的數(shù)字，集體核對(duì)答案,完成1c。(3分鐘)4再聽(tīng)一遍錄音，用正確的數(shù)字來(lái)補(bǔ)全句子，請(qǐng)學(xué)生展示答案。(3分鐘）5再細(xì)心聽(tīng)錄音并跟讀，整體感知對(duì)話。(3分鐘）6游戲接龍，根據(jù)聽(tīng)力信息或自己熟知的有關(guān)熊貓的內(nèi)容，小組內(nèi)輪流說(shuō)出有關(guān)熊貓的句子，比一比誰(shuí)說(shuō)得多說(shuō)得好，邀請(qǐng)幾組學(xué)生來(lái)展示.(5分鐘）參考案例A：A baby panda cannot see。B：An adult panda weighs many times more than a baby panda。7小結(jié)訓(xùn)練。（5分鐘)(A）1。Jim is funnier tha

5、n _ in his class。Aany other boyBany boyCany other boys Dall the boys（B）2。-Which animal do you think runs _，a dog or a rabbit？A rabbit，of course.Afast BfasterCfastest Dthe fastest(B)3。-Why dont you buy this book?-Because it is _ of the two books.Aexpensive Bmore expensiveCmost expensive Dthe most exp

6、ensive（D）4.David jumped the _ in the long jump。He won the game！Alongest BfastestChighest Dfarthest環(huán)節(jié)說(shuō)明：通過(guò)聽(tīng)力訓(xùn)練和對(duì)話練習(xí)，讓學(xué)生掌握了比較級(jí)的用法和倍數(shù)的表達(dá)；小結(jié)訓(xùn)練讓學(xué)生熟練并鞏固了比較級(jí)的用法。Step 4問(wèn)題探究1Li Ming is much cleverer than _ student in their class.Aany Bany otherCothers Dthe others答案選擇B,“主語(yǔ)比較級(jí)than any other.結(jié)構(gòu)表示：主語(yǔ)所描述的事物比其他任何一

7、個(gè)都，比較級(jí)形式表示最高級(jí)含義。若比較范圍不同,than后應(yīng)用“any可數(shù)名詞的復(fù)數(shù)形式其他”。例如：China is larger that any countries in Africa。中國(guó)比非洲上的任何國(guó)家都大。2Our school is _ than yours.Abigger twice Btwice biggerCtwo bigger Dtwice bigger答案選擇D，本題考查倍數(shù)的表達(dá)方法,用到的句型是：A is.。.times larger /higher/longer/wider than B.還有經(jīng)常用到的句型：A is .。.times the size /height/length/width of B。如：The new building is three times the height of the old one.這座新樓比那座舊樓高三倍.（新樓是舊樓的四倍高)A is .