人教版八年级下册Unit7What's the highest mountain in the world SectionA(1a-1c)学案

这是一份人教版八年级下册Unit7What's the highest mountain in the world SectionA(1a-1c)学案，共4页。
Unit 7 What’s the highest mountain in the world?（1a-1c） 教学目标：1语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最。2 技能目标：能听懂和谈论有关地理和自然的话题。3 情感目标：培养学生热爱大自然，保护环境的意识。教学重点：1 学会4个四会单词：square， meter ，deep，desert；2 短语：in size，in the world，2 meters tall/long，one of the biggest；3 句子：What’s the highest mountain in the world? Qomolangma.How high is Qomolangma?It’s 8,844.43 meters high. It’s higher than any other mountain.Which is the deepest salt lake in the world?The Caspian Sea is the deepest of all the salt lakes.教学难点：形容词和副词的比较级和最高级变化规则和用法。 物体之间的对比。Section A 1 (1a – 2a)Step 1 Reviews: We have learn Unit 6 last week(yesterday),and today we’ll learn Unit 7 What’s the highest mountain in the world?形容词、副词的最高级：三者或三者以上比较用最高级.1) 常与in短语或of短语连用。形容词最高级前要加the, 但当前面有物主代词、名词所有格等修饰时，不加 the。副词最高级前可省 the.eg. Susan is _____________(short) in her class. 　He is ___________________(popular) of these boys. 　 Alice is my _________(good) friend among the three girls.2) 形容词最高级前可被序数词修饰，其结构为：the + 序数词+形容词最高级+单数名词. eg. The Yellow River is _____________________(第二长) river in China. 3) “one of +the+形容词的最高级+复数名词”表示“最……的……之一”eg. Hang zhou is one of _____________(beautiful)_______(city)in China.( ) 3.Mo Yan is one of ____________writers today.more famous B. most famous C. much more famous D. the most famous 4）“a + 最高级”， “非常”, ＝　very.eg. It’s a most important question.= It’s a ______ important question.2. Show some pictures and information of the highest mountain, the longest river, the deepest salt lake and the biggest desert in the world.Step 2 Warming up1. Watch the photos and talk about them “How big/high/long/big is …?’ and help the students to answer: It’s …meters/kilometers/cm big/high/long/big.2. Look these photos and practice the dialogue:e.g. A: How high is Qomolangma?B: It’s 8,844.43 meters high.Step 3 1a Match the facts you know.Step 4 Explanation :1025 meters deep，“1025米深”，英语中，表示长，宽，高等时，主要有两种方式：基数词 + 单位词 + 形容词（long, wide, high, deep）基数词 + 单位词 + in + 名词（length, width, height, depth）;常见的单位词有：meter(米)，foot(英尺)等。eg: 两米长________________/________________;5英尺高________________/________________;10米深________________/________________;( ) 1.The Yangtze River is about _______.A. 6300 kilometer long B. 6300 kilometers long C. 6300-kilometer long D. 6300 kilometers’ long( ) 2. It’s __________ tree.A. 10 meters tall B. 10 meters’ tall C. a 10-meter-tall D. a 10-meters Step 5 Listening 1. 1b Listen and complete the sentences.1) Qomolangma is ______ than any other mountain in the world. 2) The Sahara is ____________ desert in the world.3) The Caspian Sea is ____________ of all the salt lakes.4) The Nile is _________ river in the world.【探究乐园】1.Qomolangma is higher than any other mountain in the world.珠穆朗玛峰比世界上其他任何山峰都高。“比较级+than any other +单数名词+比较范围”=“比较级+than the other+复数名词+比较范围” , 且可与最高级互换。该句的同义句是：Qomolangma is _______than the other________ in the world.或: Qomolangma is________________________ mountain in the world .eg. Lucy is the most hard-working student in the class.(改同义句)Lucy is ______ __________ than any other student in the class.Lucy is ______ __________ than _____ other students in the class.1. Tom is ______ (tall) than any other______ (player) in the school team.( ) 2. The girl is ________ than any other girl in her class.A. more beautiful B. the most beautifulC. much beautiful D. beautifully巩固练习1.My bedroom has about 10 ________(平方) in size.2.China's area is 9600000 _____ (平方) kilometers.3.The Caspian Sea is deeper than any other _____(sea)4. I want to buy a ____ ruler.Do you know what its _____is? A. long; long B. long; length C. length;long D. length; length（　　）5. She is better at English than ________in her class. A. any other student 　B. other student C. any other students D. the other student（　　）6. -Did Kate do the best in the exam? -No, but of all the students she was ________ A.the most careful B. more careful C. most carefully D. more carefully（　　）7. -The doctor told me not to eat too much, but I find it difficult. -The doctor is right. __________ you eat, _______ you will be. A. The less; the healthier 　 B. The less; the more healthier C. The more; the healthier D. The more; the more healthierHomework1. To memorize the important phrases and sentences.2. Use “long\deep\high ”to make somedialogues about asking the size of objects.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters high