What is the highest mountain in the world
1.世界上最危险的运动之
2.登山、攀岩
3.吸入空气 4.中国的西南部
5.大自然的力量 6.冰冻的天气条件
7.大风暴 8.冒着生命危险
9.主要的原因之一 10.面对困难
11.挑战自己 12.实现自己的梦想
答案：FFFT
3a
Read the article and match each paragraph with the main ideas.
Read the article careful. And then try to finish these questions.

( ) 1.The Himalayas run along the northwestern part of China.
( ) 2.Even though there are thick clouds on the top of the mountain, but no freezing weather conditions and heavy storms.
( ) 3.The first woman to climb was Junko Tabei from Japan in 1953.
( )4.The spirit of these climbers shows us that we shouldn’t give up trying to achieve our dreams.
答案：FFFT
language points
(1) mountain climbing 登山运动
Mountain climbing is very dangerous.
登山运动是非常危险的。
(2) run along 延伸到
The Himalayas run along the southwestern part of China.
喜马拉雅山脉一直延伸到中国的西南部。
(3) include 包括
The most famous singers include Lady Gaga, Katy Perry and Lisa.
最流行的歌手里包括嘎嘎女士，凯蒂和丽萨。
(4) take in 吸入
On the top of the mountain, it’s very difficult to take in air.
在山顶上，吸入空气是非常困难的。
(5) the first to do sth. 第一个做某事的人
He is always the first to finish homework.
他总是第一个完成家庭作业。
(6) risk one’s life 冒着生命危险
The climbers risk their lives to climb the Qomolangma.
登山者们冒着生命危险攀登珠穆朗玛峰。
(7) challenge 挑战
He takes part in the team to challenge himself.
他加入这支队伍是为了挑战自己。
(8) give up doing 放弃做（某事）
I will never give up studying.
我将永远不会放弃学习。
(9) achieve our dreams 实现我们的梦想
We should do our best to achieve our dreams.
我们应该进我们最大的努力去时间我们的梦想。
3b
Read the article again and complete the chart.
Snow
Freezing weather condition
Heavy storms
1960- The first Chinese team reached the top.
1975-The first woman to succeed was Junko Tabei from Japan.
most famous
most popular place
even more serious difficulties
1. 一般情况:+er(比较级)+est(最高级)
quiet--quieter--the quietest bright--brighter---the brightest
2. 词末为--e（不发音）+ r --+st
fine--finer--the finest nice--nicer--the nicest
3.重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er--双写辅音字母+est
hot--hotter--the hottest wet--wetter--the wettest
4.三个或三个以上音节的形容词只能加more和most
5.. 特殊变化
good—better—best many/much—more—the most
1. 一般情况:+er(比较级)+est(最高级)
quiet—quieter—the quietest bright—brighter—the brightest
2. 词末为-e（不发音）+ r —+st
fine—finer—the finest nice—nicer—the nicest
3.重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er—双写辅音字母+est
hot—hotter—the hottest wet—wetter—the wettest
4.三个或三个以上音节的形容词只能加more和most
5.. 特殊变化
good—better—best many/much—more—the most

比较级主要运用与两者比较，最高级运用于三者包括三者以上的比较。
A …+er…than …B ,
A …+est…of the three, A …+est… than others
1) The Sahara is the biggest desert in the world.
形容词最高级前通常必须用定冠词 the，副词最高级前可不用。
形容词most前面没有the，不表示最高级的含义，只表示"非常"。
It is a most important problem.
=It is a very important problem.
Grammar
注意: 使用最高级要注意将主语包括在比较范围内。
(错) Tom is the tallest of his three brothers.
(对) Tom is the tallest of the three brothers.
2) 下列词可修饰最高级，by far, far, much, mostly, almost
This hat is nearly / almost the biggest.
注意：
a. very可修饰最高级,但位置与much不同。
This is the very best.
This is much the best.
b. 序数词通常只修饰最高级。
Africa is the second largest continent.
3) 句型转换：
Mike is the most intelligent in his class.
Mike is more intelligent than any other students in his class.
4) "否定词语+比较级"，"否定词语+ so… as"结构表示最高级含义。
Nothing is so easy as this.
=Nothing is easier than this.
=This is the easiest thing.
longest
longer
high
popular
big
older
much

Review
adj n
long length
wide width
deep depth
high height
tall tallness
thick thickness
你能写出它的同义句吗 ？

The mountain is 1,500 meters high.
The mountain is 1,500 meters in height.

The height of the mountain is 1,500 meters.
1. -Which is ____ season in Beijing? (2003年)
　　-I think it's autumn.
　　A. good B. better C. best D. the best
该题的核心词为season。根据比较级与最高级的知识, 两者之间用比较级, 而三者或三者以上用最高级, 北京有四季, 因此本题应选择最高级。又因为形容词最高级前要加定冠词the, 因此答案为D。
2. - Which is__________ , the sun, the moon or the earth?(2004年)
　　-- Of course, the moon is.
　　A. small B. smaller
C. smallest D. the smallest
　　解析：正确答案为D。该题的核心词在第一句句尾，"the sun, the moon or the earth", 提问的对象为三者，应该选择最高级。
3. The air in Beijing is getting much _____ now than a few years ago.(2005年)
　　A. clean B. cleaner
C. cleanest D. the cleanest
　　该题的核心词为than，than一词是比较级的标志。
4. Mobile phones are very popular now and they are _____ than before.(2005年)
　　A. cheap B. cheaper
C. cheapest D. the cheapest
　　该题与第三题相似，核心词为than。