资源简介

(共22张PPT)
Unit 5
Amazing nature
第2课时
Understanding ideas (语法)
外研版·七年级下册
Let’s review
Colours of my hometown
Question Sentences (from the passage)
What’re the features of the writer’s hometown
What comments does the writer make on her/his hometown
The geography here is amazing.
It is famous for the world’s highest mountain.
But this area is also full of the most amazing colours in nature.
The plateau is quieter than the big cities.
But we have the best presents from nature.
In my heart, it’s better than any other place.
I’m proud to say that I’m from one of the most beautiful places in the world.
The geography here is amazing.
It is famous for the world’s highest mountain.
But this area is also full of the most amazing colours in nature.
The plateau is quieter than the big cities.
Presentation
Can you translate the sentences
这里的地理环境令人惊叹。
它以世界最高峰而闻名。
但这个地区也充满了自然界中最令人惊叹的颜色。
高原比大城市安静。
But we have the best presents from nature.
In my heart, it’s better than any other place.
I’m proud to say that I’m from one of the most beautiful
places in the world.
但我们有来自大自然最好的礼物。
在我心中，它比其它任何地方都好。
我很自豪地说，我来自世界上最美丽的地方之一。
What grammar points can you find
Comparatives & superlatives 比较级与最高级
Comparatives 比较级
Can you summarize the grammar rules
The plateau is quieter than the big cities.
In my heart, it’s better than any other place.
在对两者进行比较时，形容词（或副词）要用比较级形式，即“形容词(或副词）比较级+than+比较的对象”。
How do the comparative forms of adjectives and adverbs change
形容词和副词的比较级的变化规则
形容词和副词的比较级变化有一定规律，分为规则变化和不规则变化两种，并且形容词和副词变化规律大致相同。
形容词比较级规则变化
还有部分双音节形容词和多音节形容词，它们的比较级是如何构成的呢？
moving
一般这类形容词的比较级是在其前加more。
more moving
enjoyable
more enjoyable
difficult
more difficult
副词比较级规则变化
有些形容词和副词不规则的比较级变化
Superlatives 最高级
It is famous for the world’s highest mountain.
But this area is also full of the most amazing colours in nature.
But we have the best presents from nature.
I’m proud to say that I’m from one of the most beautiful places in the world.
将三个或三个以上的事物进行比较时，要用形容词（或副词）的最高级形式来表达，即“the+形容词（或副词）的最高级+比较的范围”。
形容词的最高级前通常要加定冠词the；副词的最高级前可加，也可不加。最高级比较的范围后面通常用in/ of/ among… 来表示
How do the superlative forms of adjectives and adverbs change
形容词和副词的最高级变化也同样分为规则变化和不规则变化两种，并且形容词和副词变化规律大致相同。
It is famous for the world’s highest mountain.
But this area is also full of the most amazing colours in nature.
But we have the best presents from nature.
I’m proud to say that I’m from one of the most beautiful places in the world.
形容词和副词最高级的规则变化
常见形容词、副词最高级不规则变化
Complete the facts about wonders in China.
1
2
Mount Taishan: 1,532.7 m
Mount Emei: 3,079.3 m
Mount Qomolangma: 8,848.86 m
Mount Taishan is high. Mount
Emei is ________. Mount
Qomolangma is the ________.
The Yellow River: 5,464 km
The Yangtze River: 6,300 km
The Yellow River is ________
than the Yangtze River.
Practise
shorter
higher
highest
n.（ 书面缩写为Mt）（用作山名的一部分）…… 山，…… 峰
Complete the passage with the correct form of the words in brackets.
The Qiantang River is 1_______ (short) than the Yangtze or Yellow rivers. But it’s still one of the 2____________ (famous) rivers in China. It’s famous for its tides.
Usually it’s a 3_______ (slow) river. But when the tides come, the water runs much 4_______ (fast). Many tides are two metres 5_______ (high). But the 6_______ (high) tides can be ten metres high!
shorter
most famous
slow
faster
high
highest
n. 海潮，潮汐
Watch a video to know more about the Qiantang River
Production
Do you know any other famous rivers/ beautiful natural places in the world
What is its name
Where is it
What is it like
Why do you like it
Think and share
Work in pairs. Talk about the most beautiful natural place in your opinion. Use the words and expressions from the reading passage and the Useful expressions to help you.
Tip: You can use a mind map to organize the content of what you want to say.
In my opinion, the most beautiful place is…
It is located in …
It is like…
It is famous for…
It is one of… in the world.
I like it because …
Words can’t express my love for…
Useful express-ions
Example
What’s the most beautiful place in the world, in your opinion
In my opinion, it’s the Great Barrier Reef. It’s the largest reef in the world.
Why do you like it
I like it because there are so many colours there. The water is clear. You can see different colours of the reef and fish!
Homework
Make a short video about the most beautiful natural place to you and talk about it.
Write three sentences to describe the most beautiful natural place in your eyes.

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