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1、课 题Unit 7 Whats the highest mountain in the world?班级学科课型新授教学目标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：能听懂和谈论相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。教学重难点短语： in size, in the world, 2 meters tall/long/wide, the biggest population, one of the biggest, the most popular question, talk about, the ancient empero
2、rs, the main reason, as far as I know, no man-made objects, mountain climbing, the southwestern part of China, thick clouds, cover the top, risk ones life, challenge oneself, achieve ones dream，the forest of nature, try to do sth., the spirit of the climbers, many times more than ,live up to, prepar
3、e for., be awake, be special to sb., spend some time doing sth., in the remaining forest, endangered animals, in the future句子： Whats the highest mountain in the world?Qomolangma.How long is Qomolangma?Its 8,844.43 meters high. Its higher than any other mountain.Which is the deepest salt lake in the
4、world?The Caspian Sea is the deepest of all the salt lake.Did you know that China is one of the oldest countries in the world?Yes, I did. Its much older than the US.学情分析及课前准备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。教学活动设计Section A 3 (Grammar focus - 4c)Grammar focus Whats the highest mountain in the world? Qo
5、molangma. How high is Qomolangma? Its 8,844.43 meters high. Its 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. Did you know that China is one of the oldest countries in the world? Yes, I did. Its much older than the
6、US. Step 1 Grammar我们已经学习过形容词和副词的比较级和最高级的构成及基本用法。下面我们进一步学习与其相关的其他知识点。形容词和副词比较级的修饰语1. 比较级前可加much, a lot, a bit, a little, any, no, some, even, still等词修饰。如：You must work much faster.You look a lot happier than you did yesterday.He was too tired to walk any further.This book is even more useful than tha
7、t one.2. 比较级前还可加其他表示数量的词。如：My sister is ten years younger than me.We reached here two days earlier than the others.形容词和副词最高级的其他用法1. 形容词最高级可被second, third等序数词修饰。如：The building is the second tallest in this city.2. 形容词最高级常用于句型“one of +the+形容词最高级 + 可数名词的复数形式”，意为“最之一”。如： Liu Li is one of the most popula
8、r girls in our class.3. 形容词和副词的比较级和最高级可以互相转换。如： Jane is taller than the other girls / any other girl in the club. = Jane is the tallest girl in the club. This car runs faster than the other ones / any other one in the garage. = This car runs the fastest of all the cars in the garage.Step 2 中考链接1. 比较
9、级考点 比较级修饰问题a little, a bit, even, still, much, a lot, far 等可修饰比较级。e.g. Tom is a little taller than Jim. This book is much more interesting than that one. the + 比较级e.g. Lucy is the fatter of the two girls.“a/an + 比较级”表示“又一，再一”e.g. Lily has a doll, but she wantsa bigger one.隐性比较（没有than的情况）e.g. Who run
10、s faster, Lucy or Lily? Youd better come earlier next time. He worked hard last term, but he works even harder this term.越来越.a. 比较级 + and + 比较级b. the + 比较级 + 句子，the + 比较级 + 句子e.g. Its getting colder and colder. The more you exercise, the better you are.2. 最高级考点说明：形容词的最高级前必须加the; 副词的最高级前省略the。 范围问题e.
11、g. Tom is the tallest student in the class. Spring is the best season of the year. “.之一”问题e.g. Beijing is one of the biggest cities in the world. “the + 序数词 + 最高级”e.g. I think he is the second tallest boy in his class.3. 比较级和最高级的转换e.g. Tom is the tallest student in the class. = Tom is taller than an
12、y other student in the class. = Tom is taller than all the other students in the class. = No other students are taller than Tom.同级比较 as + adj./adv. + as e.g. She is as thin as Lily. He writes as carefully as Linda. not + as/so + adj./adv. + as e.g. Tony didnt run so fast as Carter 学以致用1. Our family
13、has bought a car so we can travel _ than before.A. most easily B. less easily C. easily D. more easily2. My father told me a story last night. It is _ one Ive ever heard. A. the funniest B. funniest C. funnier D. the funnier 3. The _ friends you have, the _ you will be. A. more, happy B. many, happy
14、 C. more, happier D. many, happier 4. When he heard a cry for help, he ran out as _ as he could.A. hardly B. quickly C. finally D. slowly5. This place is not big enough for Lucys birthday party. We should find a _ one.A. big B. small C. bigger D. smallerKeys: DACBCStep 3 Fill in the blanks with the
15、correct forms of the words in the box. big much popular long old high 1. The Amazon River is one of the _ rivers in the world. Its a little _ than the Yangtze River.2. Qomolangma is 8,844.43 meters _. Its one of the most _ places for serious mountain climbers.3. No ocean in the world is as _ as the
16、Pacific Ocean.4. Although Japan is _ than Canada, it is _ smaller.Step 4 Write two comparisons about two topics. Write true facts.e.g. Two rivers: the Yangtze River and the Amazon RiverThe Yangtze River is almost as long as the Amazon River.The Amazon is longer than the Yangtze, but the Yangtze Rive
17、r is the longest river in China.Two cities: _ and _1. _. 2. _.Two animals: _ and _1. _. 2. _.Step 5 Write five questions using comparisons. Then ask your partner your questions. Step 6 Homework1. Memorize the important phrases and sentences.2. Make some sentences using as as, . times than, less than, more than板书设计1. What is the highest building in our city? 2. What is the busiest subway station in out city? 3. What is the largest shopping mall in our city?4. Which is the biggest park in our city?5. Which is the longest road in our city?