八年级英语下册Unit7What'sthehighestmountainintheworld第四课时SectionB1a-1d学案无答案新版人教新目标版

1、八年级英语下册Unit7Whatsthehighestmountainintheworld第四课时SectionB1a_1d学案无答案新版人教新目标版八年级英语下册Unit7Whatsthehighestmountainintheworld第四课时SectionB1a_1d学案无答案新版人教新目标版 Page * MERGEFORMAT 5八年级英语下册Unit7Whatsthehighestmountainintheworld第四课时SectionB1a_1d学案无答案新版人教新目标版第四课时Section B (1a1d） 1.重点单词：weigh2重点短语:at birth3重点句式:T

2、he elephant weighs many times more than this panda. 1。形容词和副词的比较级和最高级2数字的表达1形容词和副词的比较级和最高级2数字的表达一、预习课本P53新单词并背诵，完成下面的汉译英。1重量（v.)二、认真预习1a。1d找出下列短语和句型。1出生时 2大象比这只熊猫重好多倍。_Step 1情景导入(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?。环节说明：由图片引导，用比较级对两者进行比较，引出1a的教学内容，过渡自然，易于理解及引起学生的学习兴趣.Step 2完成教材1a。1d的任务 1。认真阅读1a中所给的信息，然后用这些信息仿照给出的例句对大象和熊猫进行比较,邀请几位学生说出自己所想的句子。(5分钟)2请学生朗读出方框中

4、的数字,教师纠正读音.为听力做好准备.(4分钟)3听录音，标出所听到的数字，集体核对答案,完成1c。(3分钟)4再听一遍录音，用正确的数字来补全句子，请学生展示答案。(3分钟）5再细心听录音并跟读，整体感知对话。(3分钟）6游戏接龙，根据听力信息或自己熟知的有关熊猫的内容，小组内轮流说出有关熊猫的句子，比一比谁说得多说得好，邀请几组学生来展示.(5分钟）参考案例A：A baby panda cannot see。B：An adult panda weighs many times more than a baby panda。7小结训练。（5分钟)(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环节说明：通过听力训练和对话练习，让学生掌握了比较级的用法和倍数的表达；小结训练让学生熟练并巩固了比较级的用法。Step 4问题探究1Li Ming is much cleverer than _ student in their class.Aany Bany otherCothers Dthe others答案选择B,“主语比较级than any other.结构表示：主语所描述的事物比其他任何一

7、个都，比较级形式表示最高级含义。若比较范围不同,than后应用“any可数名词的复数形式其他”。例如：China is larger that any countries in Africa。中国比非洲上的任何国家都大。2Our school is _ than yours.Abigger twice Btwice biggerCtwo bigger Dtwice bigger答案选择D，本题考查倍数的表达方法,用到的句型是：A is.。.times larger /higher/longer/wider than B.还有经常用到的句型：A is .。.times the size /height/length/width of B。如：The new building is three times the height of the old one.这座新楼比那座旧楼高三倍.（新楼是旧楼的四倍高)A is .