(共37张PPT)
Unit 7 What’s the highest mountain
in the world?
Section A
The second longest river
in the world
-Do you know its
name
-It is Amazon.
-Do you know how
long it is
-It’s about 6,500
kilometers long.
The world’s highest
mountain in the world.
Do you know how
high it is
It is 8,844 meters
high.
Qomolangma
Do you know Sahara is the biggest desert in the world
Yes, it is about 9,600,000 square kilometers in size.
Sahara
size n.
1. 大小[C][U]
What’s the size of the park
2. 尺码,号[C]
This shirt is your size.
The world’s deepest salt lake
The Caspian Sea
Do you know that how deep the world’s deepest Salt lake
Yes, it is 1,025 meters deep.
The longest river in Asia.
The Yangtze River
Do you know that the Yangtze River is the longest river in Asia
Yes, it is 6,300 kilometers long.
It’s 8,844 meters high. 它有8,844米高。
It is … meters high (long, wide…).
它……米高(长,宽……)。
“有多长(宽,高……)”时,
将数词和数量单位放在表示长宽
高的形容词前
The table is two meters long and one meter wide.
The mountain is 1,500 meters high.
The building is 120 meters tall.
The dictionary is five centimeters thick.
How deep is the lake It’s 1,o25 meters deep.
1 Feel free to ask me anything on today’s Great Wall tour.
在今天的长城游中,大家尽管随意问我任何问题。
feel free to do sth 随意做某事
Can I use your bathroom
Yes, feel free.
2 ancient adj.古代的 古老的
My grandmother often tells me old ancient stories.
3 protect v.保护
Sunglasses are used for protecting our eyes in the sun.
4 As far as I know, there are no man-made objects as big as this.
据我所知,再没有像它这样在的人造物体了。
as far as I know 据我所知
As far as I know , Tom has a twin sister.
5 achievement n.成就 成绩 achieve v.
This is a wonderful achievement in Chinese history.
6 southwestern adj. 西南的 southwest n.
Our hometown is in the southwestern part of this city.
7 thick adj.厚的 浓的
There is thick fog in the morning in this mountain area.
8 Even more serious difficulties include freezing weather conditions and heavy storms.
更加严峻的困难包括极冷的天气状况和巨大的风暴。
1)difficulty 困难
If you have any difficulties, you can call me for help.
We found the house without difficulty.
2)include v. 包括
Our subjects include Chinese , English math and so on.
9 freezing adj. 冰冻的
It is freezing outside, and put on your winter coat.
10 condition n. 条件 状况
The piano was in good condition.
11 take in
Large fish takes in small fish in the sea .
12 succeed v.成功 success n. successful adj. successfully adv.
I hope she will succeed soon by working hard.
13 challenge v.挑战
It is a big challenge for the girl to do housework by herself.
The boy challenged his friend to a fight after school.
14 in the face of 面对
They showed their courage in the face of difficulty.
15 The spirit of these climbers shows us that we should never give up trying to achieve our dreams.
这些登山者的精神向我们表明:我们决不应该放弃实现自己的梦想的尝试。
1)give up doing sth 放弃做某事
He gave up smoking after he got out of the hospital.
2)achieve our dream实现。。。
=make our dream come true
He achieved great success in a short time.
16 force n. 力量
The army was the most important force in the country.
17 nature n. 大自然
The beauty of nature makes people forget trouble.
longest
longer
high
popular
big
older
much
Review
adj n
long length
wide width
deep depth
high height
tall tallness
thick thickness
。。的高度
。。的人口
。。的长度
。。的速度
每小时
人造建筑
the height of
the population of
the length of
the speed of
per hour
man-made structures
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.
世界最高
的山
最长的河
第二长河
最大的沙漠
竹林
最普遍的动物
人口最密集的地方
最古老的文明国家之一
像。。一样
the world’s highest mountain
the highest mountain in the world
the longest river
the second longest river
the biggest desert
bamboo forests
the most common animals
the most populated place
one of the oldest
civilizations
as…as
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.
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。