能力

目标

能听懂和谈论有关地理和自然的话题。

情感

目标

培养学生热爱大自然，保护环境的意识。

教学重点

Talk about geography   and nature .

教学难点

正确使用本课时常用表达；听力训练。

教学方法

情景教学法；任务型教学法。

I. Preparation  

准备

1．检查单词预习情况：教师结合学生读的状况，适当领读，并帮助学生正音。教师根据构词法知识，帮助学生识记单词。

square, meter, deep, desert, population, Asia, tour,   tourist, wall, amazing, ancient, protect, wide

2．复习检查

通过检查“学案”中“新知预习”内容，检查预习效果。

写出下列形容词的比较级和最高级

1. high         2.   big           3.   long                

4. old        5.   popular            6.   wide               

7. tall                 8.   famous              

写出下列数字的英语形式：

9. 3，045              10. 5，683              11. 96，612            12. 8，300，000       

II.   Presentation

呈现

1. Learning tasks “示标定向”

1） 学习并掌握下列单词：

square, meter, deep, desert, population, Asia, tour,   tourist, wall, amazing, ancient, protect, wide

2）能正确使用以下常用表达：

feel free, as far as I know ，any other mountain, in the world, all the salt lakes, the highest   mountain, has the biggest population,   over 300 years old, as big as, 8,850 kilometers long, the ancient emperors,   as you can see, man-made objects,

3）能熟练掌握并使用下列重点句式：

—What’s the highest mountain in the world ?   —Qomolangma.

—How long is the wall?  — It’s about 8,850 kilometers   long .

3)  China has the biggest population in the world. It’s   a lot bigger than the population of the US.

2. Leading-in“导入新课”

应用图片教学，完成以下任务：

1） Watch the photos and talk about them

A：How big/high/long/big is …?

B：It’s …meters/kilometers/cm big/high/long/big.

2）Look these photos and practice the dialogue:

  A: How high is   Qomolangma?

B: It’s 8,844 meters   high.

III. Practice

操练

1.机械操练   (Mechanical Drills)

1a Match the facts you know.

2.有意义操练 (Meaningful Drills)

8,844 meters high.   8,844米高

… meters high (long,   wide…)……米高（长,宽……)。

英语表示“有多长（宽，高……）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。例如：

The wall is 1.7 metres wide.

3. 交际性操练 (Communicative Drills)

 Practice in pairs using the information in   1a.

A: What’s the highest mountain in the world?

B: Qomolangma.

A: How big is it?

B: It’s about 9,600,000 square   kilometers in size.

IV. Consolidation

巩固

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.

2. 2a  Listen   and number the facts(1- 4) in the order you hear them.

2b  Listen again and fill in the blanks in 2a with   the numbers in the box.

6,300       5,000      5,464         300

___ The Yangtze River   is about ____ kilometers long and the Yellow River is  ___ kilometers   long.

___ China has the   biggest population in the world. It’s a lot bigger than the population of the   US.

___ China is over ___   years old. It has a much longer history than the US. The US is not even ___   years old.

___ China is almost   as big as   the   US, but it is the biggest country in Asia.

3. 2d

1)Listen to the   conversation and answer the following questions.

Which is the biggest man-made objects in the world？

Which is the most famous part of the Ming Great Wall?

2) Language   points and summary

Fell free to ask me anything on today’s Great Wall   tour.

  在今天的长城游中，大家尽管问我任何问题，不要拘束。

fell free是英语口语中一个常用表达。若有人让你feel free to do something, 就是让你无需拘束，只管按照自己的意愿去做某事。例如：

A: Can I use your bathroom? 我可以用一下你的卫生间吗？

B: Yes, feel free. 可以，请随意。

As far as I know, there are no man-made objects as   big   as this.

    据我所知，再没有像它这样大的人造物体了。

as far as I know是一个固定的表达方式，意思是“据我所知”。

As far as I know, Jack’s got twin   sisters.

       就我所知，杰克有一对孪生姐妹。

3) Role-play the   conversation.

V. Examination

检测

1. 引导学生小结梳理知识框架、规律、方法，并对合作小组当堂学习情况进行总结评价，巩固学生所获得的语言知识和经验，让学生在评价中反思，在反思中进步。

Ask one of the   students to say what they have learnt.

1)words & phrases   2) 英语中表示计量的方法

2. 当堂检测(见学案)：教师要随堂进行评价，批改可以由学习小组内互批、组间互批、集体订正等方法，批阅后教师要统计达标情况,收集反馈信息，当堂矫正补救。

VI. Assignment

作业

1. 口头作业：利用早读，朗读或背诵录音材料，体会英语中表示计量的例句和对话。

2. 书面作业：

1）记忆所学单词、短语或重点句型。

2）Finish off the exercises in tongbuxuexi.

3. Preview the new   words of 3a-3c.