sea water and rain water

Module

3

The natural world

Unit 9Sea water and rain waterEpisode

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Reading:

The oceans, rain and water

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Piggy bankLook and learnLook and read Learn and say Look, learn and sayC

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Look and learn

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Earth本页用于学习生词，和引出本课即将讨论的话题：地球。1 2 3 4 5 6 7 8

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three quarters

本页帮助学生学习quarter概念。为下一张讨论地球 表面分布率准备。1 2 3 4 5 6 7 8

a quarter

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Land: Water:

29% 71%

a quarter Almost _________________ of the Earth is land. three quarters of the Earth is water. Almost _________________1 2 3 4 5 6 7 8

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Where is water?

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stream / /

river

lake

sea1 2 3 4 5 6 7 8

ocean本页用于学习生词.C

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What animals can we find in the sea?

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shark / /

dangerous

本页开始的 四张幻灯片用于谈论海底动物的特性，先 学习课文中即将出现的形容词。1 2 3 4 5 6 7 8

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What animals can we find in the sea?

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dolphin

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intelligent / /

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What animals can we find in the sea?

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whale / /

large

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What animals can we find in the sea?

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starfish / /1 2 3 4 5 6

sea horse beautiful7 8

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Look and readMiss Guo is reading a book to prepare a quiz for a class competition about the oceans. 本环节两张幻灯片，让学生学习62页课文。

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The oceans

Almost three quarters of the Earth is water. Many fish and sea animals live in the streams, rivers, lakes, seas and oceans on the Earth.

本页用于学习课文，提醒学 生注意划线部分。1 2

Whales, dolphins and sharks are sea animals. Whales are the largest animals on the Earth. Dolphins are one of the most intelligent animals. Sharks are one of the most dangerous animals.C

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Learn and sayWhales are the largest animals on the Earth.本环节共八张幻灯片， 用于讲解操练形容词 最高级的构成和用法。

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t

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long the longest

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2 70 m2

90 m2

168 m2

large1 2 3 4 5 6 7

the largest8

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dangerous

the most dangerous

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SUMMARY For short adjectives: oldest largest easy iest biggest youngest nicest thinnest sm

all est rude st fattest reddest longest

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shortest

healthy iest heavy iest hottest

For long adjectives: most beautiful most wonderful1 2 3 4 5 6 7

most wonderful most expensive8

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Complete the questions and answer them.

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What do you think are ______________________ the most dangerous (dangerous) animals on the Earth?I think … are the most dangerous animals on the Earth. What are _______________ the largest (large) animals on the Earth? Whales are the largest animals on the Earth.

Which is _______________ the cheapest (cheap)? Iron, silver or gold?Iron is the cheapest.

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Who is _______________ the heaviest (heavy) boy in your class?… is the heaviest boy in our class. Who is ____________________ the most beautiful (beautiful) girl in your class?

… is the most beautiful girl in our class.the fattest (fat) boy in your class? Who is _______________ … is the fattest boy in our class. Who is _______________ the thinnest (thin) girl in your class? … is the thinnest girl in our class.

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