《All these problems are very serious》SectionA PPT
第一部分内容：Listen to 1a and choose the best answer.
The boy and girls are talking about —————.
A. different types of sandstorms
B.the reasons for sandstorms
C.sandstorms in different cities
Listen and answer the questions
1.What’s the weather like today ?
It’s bad. The wind is so strong . And the sand really hurts face.
2.What causes these sandstorms ?
People have cut down too many trees.
As a result, a lot of rich land has changed into desert.
3.Do we still need to do something to protect the environment ?
Yes, we do. Although we have built “The Green Great Wall”, we still need to do something to protect the environment .
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《All these problems are very serious》PPT，第二部分内容：the indefinite pronoun and adverb
somebody, someone, something, somewhere
一般情况下用于肯定句
anybody, anyone, anything, anywhere
一般情况下用于否定句和疑问句
none, nobody, nothing, nowhere
表否定含义
everybody, everyone, everything, everywhere
可用于各种句式
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《All these problems are very serious》PPT，第三部分内容：Act out the dialog in pairs
K: wind; sand; anything
M: sandstorms
J: cut down; as a result; change into
M: affect
J: stop…from…; blow… away
K: can be saved
J: wash … away
K: is harmful to; although; do something
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《All these problems are very serious》PPT，第四部分内容：Exercises
Use someone, something, anything, somewhere, anywhere to fill in the blanks.
Lily, would you like ___________ to drink?
Cindy is very busy now. She needs _______ to help her.
Is there _________ wrong with your computer?
Jim looked for his pencil-box ____________ , but he didn’t find it.
I stayed at home last week. I didn’t go __________.
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《All these problems are very serious》PPT，第五部分内容：Summary
We learn:
1.Some words: sand, although
2.Some phrases: change into, human being
3.Some sentences:
(1)As a result, a lot of rich land has changed into desert.
(2)Trees can stop the wind from blowing the earth away.
We can:
1. Use the indefinite pronoun and adverb.
2.Talk about the sandstorm and its harm.
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《All these problems are very serious》PPT，第六部分内容：Assignment
1.Read 1a.
2.Memorize the useful expressions and key sentences which we learn today.
3.Finish Section A in your workbook.
4.Preview Section B.
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