Unit7 What’s the highest mountain in the world? SectionA(1a-1c)学案

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Unit7 What’s the highest mountain in the world? SectionA(1a-1c)学案
SectionA(1a-1c)学案
授课学校：南茂中学   班级：八（1）  执教者：Miss Jiang
一、学习目标：
1.Learn the new words and phrase：square, meter, deep, desert, in size。
2.Learn the key sentence：What’s the highest mountain in the world?
3.Talk about geography and nature in English.(用英语谈论地理和自然常识)
二、学习重难点:
重点 :
1.Talk about the top of the worlds with superlative.(用最高级谈论“世界之最)
2.Use comparatives and superlatives correctly with adj. in the sentences.(在句子中正确运用形容词的比较级和最高级)
难点：
     1.Use comparatives and superlatives correctly with adj. in the sentences.
2.To learn how to express the length height depth and area of something in English.（学习如何用英语表达某物的长度、高度、深度和面积）
三、学习过程：
自学互动：（教师寄语：Many hands make light work.）
活动一：温故知新 说出下列单词的比较级和最高级，并简要归纳adj/adv的变化规则。
high ______ ________   long _____ ______   
big ______ _______    good ______ ______   
easy ______ ______    late ______ ______  
beautiful  ________          ________   
活动二：用英语说出下列数字。
  41____      387____          6,529____  
  658,723____                4,864,297_____
活动三: 在语境中学会本节课生词和了解一些地理常识然后完成1a. Match the facts you know.
Qomolangma              about 9,600,000 square kilometers in size  The Sahara               1,025 meters deep
The Caspian Sea        6,671 kilometers long   
The Nile                8,844.43 meters high   
活动四：完成1b, 各小组听并完成句子。要求：听前先预测，注意关键词。
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.
活动五：学生分小组用所掌握的句型谈论自己熟悉的地理和自然常识，根据不同的图片练习1C并展示。
E.g. What is the highest mountain in the world?
What is the longest river in Asia?... …
四、测评训练：
一、根据字母提示填写单词的正确形式。
1.The Caspian Sea is the d______ salt lake in the world.
2.Our playground is about 2000 s_______ meters in size.
3.The Sahara is the biggest d_______ in the world.
4.That desk is about 1.3 m______ long.
二、选择填空。
1. The Sahara is ________ in the world.
A. the biggest desert   B. the bigger desert   C. biggest desert
2. The Nile is 6671 ______.
A. kilometers   B. kilometers long   C. kilometer long
3. --- _____ the longest river in China.  ---Yangtze river.
A. What     B. What’s     C. What are
4. Shanghai is one of ______ in the world.
A. the biggest city   B. the biggest cities   C. the bigger cities