Unit 9 The world’s highest mountain is 8,844 meters导学案（6课时）

Unit 9 The world’s highest mountain is 8,844 meters high.
[教学目标]
1.复习掌握形容词比较级和最高级用法
2.复习掌握数词用法
[教学重难点]
I 重点词汇：Asia, size ,desert, deep, bamboo, southeast, civilization, man—made, Per
II 重点句型：
Did you know that Qomolangma is the highest mountain in the word
It’s 1,025 meters deep.
The world’s deepest salt lake is the Caspian.
[教学过程]
第一课时
[预习检测] 完成下列短语
。。。。之一 八万平方公里 和。。。一样大 世界上最高的山
。。。。。的人口 。。。。。的速度、长度 、高度
[课堂教学]
Step 1 Leading in
Show a picture of Amazon and ask
Do you know the river What’s its name How long is it Can you tell me something about
It’s the longest river in the world .its name is Amazon. It’s about 6,500 Kilometers long .
Step 2 1a .
I translate the sentences
II check the facts
Step 3 1b .
I teach these new word bamboo, southeast, and man— made Civilization
II . Play the tape and ask the students to listen and check the facts they hear, and then read after the tape.
Step 4 2a & 2b .
I read the sentences
II ask the students listen to the tape and number the facts.
[语法小结]
I 形容词 副词复习
II 长度 宽度 高度等表示方法
[课后作业]
熟读3A，并找出里面的短语
第二课时
[课前检测] 单词听写
[课堂教学]
Step 1 free talk
1.Which is the longest river in china
2.How high is the Qomolangma
3.Which river is longer ,the Nile or the Yellow River
Step 2 Reading 3a 3b
I finish 3b
II translation
III [语法回顾]
1 One of
2 even
3 southwestern
4 because
5 under
6 what an amazing achievement!
[课后作业] 1 单词拼写
1 An elephant _____(重) 5000 kilos.
2 People should be p___ from cutting down too many trees.
3Things went from bad to w____.
4 Earthquakes are one of the most serious natural _____(灾害) in the world.
2 用所给词的适当形式填空
1 We should prevent people ____(cut) down trees.
2 The more you eat,the_____(fat) you will be.
3 The _____(weigh) of the panda is 120 kilos.
4 Tom is three times as ____(strong) as Lily.
第三课时
[预习检测] 翻译句子
1 我比姐姐小三岁。
2 这把尺子是那把尺子的两倍长。
3 你做作业做得越仔细，你犯的错误就会越少。
4 我重50公斤。
5 我们班学生的数量是40.
[课堂教学]
Step 1a & 1b .
Using a man picture, a panda picture and a cheetah picture to teach these sentences：
1.A man is ten kilos stronger than a cheetah.
2.A panda is 2 times as strong as a cheetah.
Step2 Listening , 2a & 2b .
I Play the tape for the first time, let SS only listen.
II Then play the tape again, this time Ss complete the sentences.
Step 3 Pairwork 2c .
In pairs ,students role play conversations using the information from activity 2a and 2b .Then ask some pairs to present their dialogue to the class .
[课后作业] 根据本单元学得句型及有关知识，写一篇80字的作文，阐述一下为了保护环境，作为一名中学生，你将如何去做？
第四课时
[预习检测] 单词听写
[课堂教学]
Step 1 free talk
Talk about the disasters you know
Step 2 Reading 3a .
! read the first and answer the questions in 3b
II read again and translate
A soldiers.............filled with sand
[语法讲解]
1 hard
2 prevent
3 filled
B The longer...........the more ......
[语法讲解]
形容词比较级用法
III find out phrases
Step 3 Writing 4
Write about the disasters
[课后作业] selfcheck 1
第五课时(Reading)
[课堂教学]
Step 1 read and answer the questions of 3b
1. Which environmental organization gives support to the protection of giant pandas
The WWF does.
2. What’s the object of the Giant Panda Breeding and Research Base
Its object is to increase the number of giant pandas.
3. What is taught to the giant pandas when they grow up
They’re taught the necessary skills to live in the wild on their own.
4. How many square kilometers of forest was chosen for giant pandas in the year 2000
23,000 square kilometers.
Step 2 read again and underline the phrases
Paragraph 1
giant panda in fact
be known as/for/to all over the ……
WWF=World Wildlife Fund
Paragraph 2
the/a number of
because of
environmental organization
there be + sb./sth +doing
Paragraph 3
bamboo forest on the edge of
grow up on one’s own
set sb free live a (adj.) life
Paragraph 4
be suitable for square kilometers
nature reserve national treasure
[课后作业]同步训练
第六、七课时(Review)
Step 1 selfcheck 1
1 happen
2 fact
3 the the
4 million
5 time
step 2 grammar
一、原级的用法
　　1.只能修饰原级的词，very，quite，so，too
　　例如，He is too tired to walk on.他太累了以至于不能再继续走了。
　　My brother runs so fast that I can‘t follow him.我弟弟跑得那么快以至于我跟不上他。
　　2.原级常用的句型结构
　　(1)“甲+be+(倍数)+as+形容词原级+as+乙”表示“甲和乙程度相同”或“甲是乙的几倍”
　　例如，Tom is as old as Kate.汤姆和凯特年龄一样大。
　　Tom is twice as old as Kate.汤姆的年龄是凯特的二倍。
　　“甲+实意动词+(倍数)+as+副词原级+as+乙”表示“甲和乙程度相同”或“甲是乙的几倍”
　　例如，Tom runs as fast as Mike.汤姆和迈克跑得一样快。
　　Tom runs twice as fast as Mike.汤姆跑得速度是迈克的二倍。
　　(2)“甲+be+not+as/so+形容词原级+as+乙”甲不如乙…
　　例如，This room is not as/so big as that one. 这个房间不如那个大。
　　“甲+助动词+not+动词原形+as/so+副词原级+as+乙”甲不如乙…
　　例如，He doesn’t walk as slowly as you.他走路不像你那样慢。
　　二、比较级的用法
　　1.可以修饰比较级的词，much，a lot，far，…的多a little，a bit，…一点儿
　　even甚至，still仍然
　　例如，Lesson One is much easier than Lesson Two.第一课比第二课容易得多。
　　Tom looks even younger than before.汤姆甚至比以前更年轻。
　　This train runs much faster than that one.这辆火车比那辆跑地快。
　　She drives still more carefully than her husband.她开车仍然比她丈夫还认真。
　　2.比较级常用的句型结构
　　(1)“甲+be+(倍数)+形容词比较级+than+乙”表示“甲比乙…”或“甲比乙…几倍”
　　例如，Tom is taller than Kate.汤姆比凯特高。
　　This room is three times bigger than that one.这个房间比那个大三倍。
　　“甲+实意动词+(倍数)+副词比较级+than+乙”表示“甲比乙…”或“甲比乙…几倍”
　　例如，I got up earlier than my mother this morning.我今天早晨起床比我妈妈还早。
　　He runs three times faster than his brother.他跑的速度比他弟弟快三倍。
　　(2)“甲+be+形容词比较级+than+any other+单数名词(+介词短语)”表示“甲比同一范围的任何一个人/物都……”，含义是“甲最……”。
　　例如，The Yangtze River is longer than any other river in China.
　　=The Yangtze River is longer than any of the other rivers in China.长江比中国的任何一条其他的河都长。
　　=The Yangtze River is longer than the other rivers in China.长江比中国的其他所有的河都长。
　　=The Yangtze River is the longest river in China.长江是中国最长的河流。
　　注意：The Yangtze Riveris longer than any river in Japan.长江比日本的任何一条河都长。
　　“甲+实意动词+副词比较级+than+anyother+单数名词(+介词短语)”表示“甲比同一范围的任何一个人/物都……”，含义是“甲最……”。
　　例如，Mike gets to school earlier than any other student in his class.
　　= Mike gets to school earlier than any of the other students in his class.迈克比他们班上任何一个其他的同学到校都早。
　　= Mike gets to school earlier than the other students in his class.迈克比他们班上其他的同学到校都早。
　　= Mike gets to school earliest in his class.迈克在他们班到校最早。
　　注意：Mike gets to school earlier than any student in Tom’s class.迈克比汤姆班上任何一个学生到校都早。(迈克和汤姆不是同一个班)
　　(3)“甲+be+the+形容词比较级+ofthetwo+……”表示“甲是两者中较……的”。
　　例如，Look at the two boys.My brother is the taller of the two.看那两个男孩，我弟弟是两个当中较高的那个。
　　(4)“比较级+and+比较级”表示“越来越……”。
　　例如，He is getting taller and taller.他变得越来越高了。
　　The flowers are more and more beautiful.花儿越来越漂亮。
　　He does his homework more and more carefully.他做作业越来越认真了。
　　(5)“the+比较级，the+比较级”表示“越……，越……”。
　　例如，The more careful you are，the fewer mistakes you’ll make.你越认真，犯的错误越少。
　　(6)“特殊疑问词+be+形容词比较级，甲or乙？”
　　例如，Which is bigger，the earth or the moon？哪一个大，地球还是月球？
　　“特殊疑问词+实意动词+副词比较级，甲or乙？”
　　例如，Who draws better，Jenny or Danny？谁画得比较好，詹妮还是丹尼？
　　3.最高级常用句型结构
　　(1)“主语+be+the+形容词最高级+单数名词+in/of短语”表示“……是……中最……的”。
　　例如，Tom is the tallest in his class./of all the students.汤姆是他们班上/所有学生当中最高的。
　　This apple is the biggest of the five.这个苹果是五个当中最大的。
　　“主语+实意动词+(the)+副词最高级+单数名词+in/of短语”表示“……是……中最……的”。
　　例如，I jump (the) farthest in my class.我是我们班跳得最远的。
　　(2)“主语+be+oneofthe+形容词最高级+复数名词+in/of短语”表示“……是……中最……之一”。
　　例如，Beijing is one of the largest cities in China.北京是中国最大城市之一。
　　(3)“特殊疑问词+be+the+最高级+甲，乙，or丙？”用于三者以上的比较。
　　例如，Which country is the largest，China，Brazil or Canada？哪一个国家最大，中国，巴西还是加拿大？
　　“特殊疑问词+be+the+副词最高级+甲，乙，or丙？”用于三者以上的比较
　　例如，Which season do you like (the) best，spring，summer or autumn？你最喜欢哪一个季节，春天，夏天还是秋天？
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