能力

目标

能够掌握形容词的比较等级，并运用形容词的比较等级去描述事物。

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

正确使用本课时词汇与句子；读写训练。

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。

ocean, the Pacific Ocean how high, longer than, the   deepest salt lake, as popular as, the Yangtze River,

2. 单词听写

听写单词—反馈—利用构词法再记忆。

3．复习检查

1）通过检查“学案”中“新知预习”内容，检查预习效果。

2）复习上课时知识点：

The Yellow River is long.

The Yangtze River is a lot _______ than the Yellow   River.

The Nile is ______________ of all.

The Yangtze River is not ____ long ____ the Nile.

= The Yangtze River is not _______ than the Nile.

II. Presentation

呈现

1. Learning tasks “示标定向”。

1）学习并掌握下列单词：

ocean, the Pacific Ocean

2）能正确使用以下常用表达：

how high, longer than, the deepest salt lake, as popular   as, the Yangtze River,

3）能熟练掌握并使用下列重点句式：

1）—How high is Qomolangma?   —It’s   8,844.43 high.

2）—Did you know that China is one of the oldest   countries in the world? 

— Yes, I did. It’s much older than the US.

3)  —Which is   the deepest salt lake in the world?   —The Caspian Sea.

2. Leading-in“导入新课”

Let the Ss read   Grammar Focus quickly and find the rules:

3. 形容词和副词比较级和最高级变化规则

1.    规则变化

1) 一般情况下，单音节或双音节的形容词（或副词）比较级＋er ， 最高级＋est

如： clever－cleverer－cleverest 

few－fewer－fewest 

small－smaller－smallest等。

2) 以e结尾的词，比较级＋r，最高级＋st 即可。 如：

nice－nicer－nicest    cute－cuter－cutest     large－larger－largest

3) 以辅音字母＋y结尾的变y为i＋er或est。如:

easy－easier－easiest   

happy－happier－happiest

再如：early, busy, heavy, dirty, lazy也如此。

少数单音节词也是这样，如：

pleased－more pleased－the most pleased  

tired－more tired－the most tired

2. 不规则变化：

good —better —   best   well —better — best

bad－worse － worst    

many / much — more —   most

far — farther —farthest       (距离远)  

far — further — furthest      (程度深)

old — elder — eldest           (长幼)  

old — older —oldest           (年龄)

III. Practice

操练

1. 学以致用

1. Our family has   bought a car so we can travel _____ than before.（2008陕西）   

A.       most easily           B.   less easily  

C.   easily                  D. more easily 

2. My father told me   a story last night. It is ____ one I’ve ever heard.（2009陕西）  

A.       the funniest          B.   funniest  

C.   funnier                D. the funnier  

3. The _____ friends   you have, the ____ you will be.（2010陕西）             

A. more,   happy           B. many,   happy  

C. more,   happier          D. many,   happier

4. When he heard a   cry for help, he ran out as _______ as he could.（2011陕西）

A.       hardly                B.   quickly     

C.   finally                   D. slowly

5. This place is not   big enough for Lucy’s birthday party. We should   find a _____ one.（2012陕西）  

A.       big                       B. small        

C.   bigger                    D. smaller

IV. Consolidation

巩固

1.

4a Fill in the blanks   with the correct forms of the words in the box.

4b Write two   comparisons about two topics. Write true facts.

2.4c Writing

  Write five   questions using comparisons. Then ask your partner your questions

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) 用形容词描述大自然。

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，朗读或背诵课文，体会过去进行时的含义和用法。

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 Section B.