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(共12张PPT)
Unit4
Amazing Plants and Animals
SectionA (3a-3c)
Grammar
1. talk about some amazing plants and animals.
2. learn to make comparisons using superlatives.
3. summarize the rules and usage of the superlatives.
What does this video talk about
World's Records
Can you express these world's records in one sentence
●Mount Everest is __________________ on Earth.
●The Nile River is __________________ in the world.
●The Sahara Desert is __________________ in the world.
the highest mountain
the longest river
the largest hot desert
●Blue whales are ____________ animals on Earth.
●The Mariana Trench is ___________ place in the world's oceans.
●The Great Wall is ___________ man-made structure in the world.
the largest
the deepest
the longest
the highest mountain
the largest desert
the longest river
the deepest trench(海沟)
最高级
(superlatives)
tall
taller
tallest
表示三者或三者以上(人或事物)的比较
The blue whale is the largest and the heaviest animal in the world.
The biggest land animal in the world is the African elephant.
The cheetah runs the fastest among all land animals.
I think the most useful plant in the world is bamboo.
It is perhaps the most interesting plant in the world.
[s p l t v]
the cutest
the most beautiful
the most colourful
(the) highest
the largest
heaviest
the most ancient
the most beautiful
the best
the most common
the most popular
在生活中，我们有时会忍不住拿自己和别人比。但问题在于，我们是否选择了合适的‘比较范围’和‘比较对象’？
更智慧的“比较”，是和自己比！ 今天的我，比昨天的我进步了吗？这个月的努力，是否比上个月更投入？这才是真正有意义的最高级——“更好的自己”！
Summary
New words
land; African; rose; peony; lotus; butterfly; wing; frog; weigh; kg; ginkgo; province; take a walk
the superlatives
Grammar
(1) 形容词和副词一般具有最高级结构
(2) 最高级的构成：①单音节、双音节、多音节；②规则变化和不规则变化
(3) 最高级的范围：①in+范围；②of+具体成员/同类事物；③among + 同类群体；
④out of + 明确范围；⑤ 定语从句与状语从句
(4) one of 结构
(5) 比较级表达最高级
SEE YOU NEXT CLASS!

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