人教版八下-Unit 7 what's the highest mountain in the world -Section B 1a—1d-ppt课件-(含教案+视频+素材)-市级优课-(编号：c1342).zip

Section B (1a-1d) UnitUnit 7 7 WhatsWhats thethe highesthighest mountainmountain inin thethe world?world? SSSS Key words、 、 phrases and sentences weigh, taller,shorter,many times (知知较 目目较 Important points) Improve Ss listening skills （能力目标能力目标 Difficult points ） Love the environment 情感目标情感目标（protect animals） Lets chant tall-taller-tallest short-shorter-shortest fat-fatter-fattest thin-thinner-thinnest big-bigger-biggest small-smaller-smallest high-higher-highest many-more-most much-more-most little-less-least good-better-best well-better-best bad-worse-worst ill-worse-worst Learn by heart as quickly as you can QomolangmaThe Nile The Caspian sea The Sahara Whats the biggest animal in the world? Whats the biggest animal on land? Lead in What animals are under the pictures? 一一二二 三三 四四 Now lets learn more about the pandas and the elephants. Strong/big/big ears/ thick legs Cute/lovely/black 3倍倍 many times 许多倍许多倍 I weigh 70 kilos! weighs 3.5kilos (at birth) The mother weighs 20 times more than the baby! much ! The Elephant eats 150 kilos of food a day. The Panda eats 10 kilos of food a day. The elephant eats more than the panda . much many times The panda eats much less than the elephant . The elephant weighs many times more than the panda. A + be/v. + 倍数倍数 + 比较级比较级 +than + B. 倍数倍数 +as as+than 表示表示“A比比B(大大/小小/长长/短短)几倍几倍”。 This house is three times bigger than that one. AudiistentimesmoreexpensivethanQQ. She studies many times harder than I. HehasmanytimesmoremoneythanIdo. 1.这个这个 比那个比那个 大大3倍。倍。 2. 比比 贵贵10倍。倍。 4. -他拥有的他拥有的钱钱比我比我多多好多倍！好多倍！ 3.她学习比我她学习比我努力努力好多倍！好多倍！ Suo Yuyang & Xin Wenkang 1. taller 2. Weighs more 3. Study harder 4. run faster 5. more outgoing Guess! What are these? What color are they? 大熊猫最奇特的一点是大熊猫最奇特的一点是 新生儿新生儿在出生时在出生时相当的相当的 不成熟，体重仅是它母不成熟，体重仅是它母 亲体重的亲体重的0.1%，平均，平均 为为150gram左左右，约为右，约为 成年的千分之一。成年的千分之一。照顾照顾 孩子是一项非常艰巨的孩子是一项非常艰巨的 任务任务，通常历时，通常历时18个月个月 ，有时长达两年，直到，有时长达两年，直到 她的下一个孩子出生。她的下一个孩子出生。 An adult panda weighs many times more than a baby! weight (kilos) size (long) color a baby panda an adult panda about 0.1to 0.2 kilos around 100 kilos around 15cm long around 150cm long pink black and white 3. - Why dont you buy this book? - Because it is _ of the two books. A. expensive B. more expensive C. most expensive D. the most expensive 4. David jumped the _ in the long jump. He won the game! A. longest B. fastest C. highest D. farthest 1. - Why dont you buy this book? - Because it is _ of the two books. A. expensive B. more expensive C. most expensive D. the most expensive 2. David jumped the _ in the long jump. He won the game! A. longest B. fastest C. highest D. farthest B D 3. Li Ming is much clever than _ student in their class. A. any B. any other C. others D. the others 4. Our school is _ than yours. A. bigger twice B. twice big C. two bigger D. twice bigger B D Love animals. Love the environment. Love the world. UnitUnit 7 7 WhatsWhats thethe highesthighest mountainmountain inin thethe world?world? SectionSection B B 1a1a 1d1d 一、一、 知识与能力：知识与能力：重点单词：weigh, birth，adult 重点短语：at birth，live up to 重点句式： 1、An elephant is 350cm tall and weighs 5,000 kilos. 2、An adult panda weighs many times more than a baby panda. 二、过程与方法二、过程与方法: 能运用所学的知识来描述动物。 三、情感态度与价值观：三、情感态度与价值观：通过学习动物的相关知识，增强保护地球保护动 物的意识。 四、教学重点四、教学重点: : 巩固含有数字的事实描述，拓展学习更多表示比较的句式， 用比较句型将两种动物进行比较。 五、教学难点五、教学难点: : 输出信息有点难。 六、教学设想六、教学设想: : 教师出示图片并展示相关资料 七、教学步骤：七、教学步骤： Step1. Greeting . Step2. Revision: The sentences using comparisons: T: Whats the highest mountain in the world ? Ss: Qomolangma. T/Ss: Can you talk about Qomolangma using different comparison sentences? S1: Its the highest of all the mountains in the world. S2: Its higher than any other mountain in the world. T: Whats the deepest salt lakes in the world?(Talk about the Caspian Sea/ the Sahara like this.) Step3: Free talk: Pandas live in China. Do you like them? Why? What do they like to eat? Do you like to know more about pandas? Step 4: Presentation: 1. Show the facts about these two animals in 1a. And try to describe the elephant and the panda. (可以不用比较的句型。可以不用比较的句型。) 2. Try to use the language in the box to help you make sentences. (用表比较的句型用表比较的句型) 3. Language point： 倍数表达法：倍数倍数表达法：倍数+比较级比较级+than 总结规律总结规律:(1) 主语主语+谓语谓语+数词数词+times+ more than +被比较的内容。被比较的内容。 （2）主语）主语+谓语谓语+数词数词+times+ as+形容词形容词+as+被比较的内容被比较的内容(教师板书教师板书) 4. 尽量用倍数句型来比较两个动物。尽量用倍数句型来比较两个动物。 Step5：Lead in (学生的知识面比较窄，需要老师给适当的补充) Some facts about baby pandas or adult pandas . Step6: Comparing other things: A: A baby panda cannot see. B: An adult panda weighs many times more than a baby panda. Step7: practice Summary 倍数倍数+比较级比较级+than This elephant weighs many times more than this panda. An adult panda weighs many times more than a baby panda. Step9: Animals are our friends. We should care for animals and protect animals. Step10: Practice about comparisons. Step11: Homework 1. Describe your family members using comparisons. 2. Make ten sentences using comparisons.