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一.新课导入：通过复习前面的知识导入新课。
二.预习导学
从课本中找出并翻译下列短语。
（1）最危险的运动之一 （2）登山，攀岩
（3）全世界 （4）中国的东南边境
（5）山顶 （6）严寒的天气条件
（7）大风暴 （8）冒着生命危险
（9）放弃 （10）实现梦想
三.问题探究：
1. 将课前准备的情况在小组内交流讨论（老师点拨）。
2. 比一比赛一赛：各小组长提问其它小组成员讨论结果，看哪个小组完成得最棒！
3. 3a 小组合作，共同找出课文中的重点短语和句型，并讲解给同学们。
4. 3b 根据课文内容完成下面的表格，并在小组内订正答案。
Paragraph1Paragraph 2Paragraph 3List three comparisonsList three dangers for climbersList three achievements 5. Groupwork 讨论“世界之最”，完成4a—4c.
四.拓展延伸：见导学案p126中的词语辨析
五．检测反馈：
（一）用形容词和副词的适当形式填空。
1. Tom is ______ (tall) than any other student in his class. So he is _______ (tall) in his class.
2. Li Ming is one of _________(clever) boys in our class.
3. The sun is _______ (bright) than all the other stars because it is _______ (near) to the earth.
4. The earth receives _________ (little) heat from the sun in winter than in summer.
5.The train is running _________ and _______ (fast).
6. He said that it was __________ (happy) day in his life.
（二）根据首字母提示完成句子。
1. we should learn the s of helping others.
2. Most animals don’t like to live in f________ conditions.
3. Many c_________ reached the top of the mountain this morning.
4. Tibet（西藏）is in the s____________ part of China.
5. Of all the m________________, Qomolangma is the highest and most famous.
六．学后记：通过本节课我学到了