What’s the highest mountain in the world?
Section A 1a-2d
Teaching aims（教学目标）
1．学会谈论世界地理和自然。
2. 熟练掌握形容词和副词的比较级和最高级。
Language points（语言点）
要求掌握以下句式：    主语+ adj/ adv 比较级 + than
                      主语+adj/ adv最高级+ in+ 地点
                      主语+adj/ adv最高级+ of/ among …
2．要求掌握以下词汇：（1）动词：tour, protect,
（2）名词：square, meter, desert, population, Asia, tour, wall
(3) 形容词：deep, amazing, ancient, wide
(4)  词组： feel free, as far as I know
（protect, population, amazing 是比较难得词语，要多设置情景，让学生学会用。注意 feel free, as far as I know短语的用法。）
Difficulties（难点）：Reading comprehension
Teaching steps（教学步骤）
1. Warm-up and lead-in（课堂热身和引入）
(1)  Let’s enjoy the natural beauty of China.
T: It’s the longest river in China. Can you name it?
S: It’s the Yangtze River.
通过中国的著名自然景点来激发学生学习的热情，然后由中国转到世界，过渡自然。
2. Presentation（呈现新知识）
Show Ss pictures of natural wonders and ask some questions about each one.
T：Look at the picture, this is a river. It’s the longest river in the world. Can you name it?
S：It’s the Nile.
After this, let’s do 1a. Match the facts you know.
通过图片来引入本课要掌握的目标图片，通过目标图片来呈现本单元的信知识点。通过做1a来巩固比较级和最高级。
3. Practice （练习）
T: I will show you a picture, there are three women in it. Would you please compare them by their appearance, height, weight or some other aspects?
通过图片的半控制性练习来操练比较级和最高级的用法。
4. Listening practice
1b，2a和2b.
通过听力来进一步巩固比较级和最高级。
5. Performance.
T: Make conversations using the information in 2a.
通过小组合作的对话，来进一步巩固该课时的目标知识点。
6. Reading comprehension.
Before reading
T: Look at the picture, where is it?
Ss: It’s the Great Wall.
T: This is the most famous part of the Great Wall. Do you know what it’s called ?
Ss: It’s the Badaling part.
T: Can you tell me something about the Great Wall?
Ss: It’s one of the seven famous wonders of the world.
通过引入这一环节，让学生对本对话的内容进行猜测，并进一步激发学生对文章内容的兴趣。
7. While reading.
T: Turn to page 50. Read the passage carefully, and answer the following questions.
1. How long is the Great Wall?
2. Why did the ancient emperors build the wall?
3. What does the Great Wall look like?
回答问题后，通过disappearing passage 来帮助学生背诵记忆这篇对话。
对文章梳理过后，当学生们对文章有了整体把握后，就给学生讲解一些重要的语言点。
8. After reading.
T: Please translate the following phrases into English.
通过中英文短语互译，帮助学生掌握这篇课文的重点，做到讲练结合。效果会更好。
9weight的最高级. Homework
1. Write a short passage about your hometown by using the comparative and superlative forms.2. Remember important phrases.

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