初中英语仁爱科普版（2024）九年级上册Topic 2 All these problems are very serious.完美版教学ppt课件

这是一份初中英语仁爱科普版（2024）九年级上册Topic 2 All these problems are very serious.完美版教学ppt课件，文件包含Unit2SavingtheearthTopic2SectionApptx、Unit2SavingtheearthTopic2SectionA教学设计docx、Unit2Topic2大单元整体教学设计docx、p35-1amp3、p36-4-Amp3、p36-4-Bmp3、保护地球母亲mp4、沙尘暴mp4等8份课件配套教学资源，其中PPT共27页， 欢迎下载使用。
Learning bjectives
After learning the lessn, we can:
Learn sme cre wrds and expressins f the text;
Knw abut the usage f Indefinite Prnun and Adverb.
Understand the dialg abut sandstrms.
Talk abut hw sandstrms cme int being.
Watch and Think
*Hw is the man feeling nw?
--Because there is a .
Water washed the earth away .
S a lt f rich land changed int desert.
change int 转化成
As a result, ...
Human beings cut dwn t many trees.
What caused the sandstrm?
came int being.
At last, ...
Pre-listening
D yu knw hw sandstrms cme int being?
While-listening
The by and girls are talking abut _______.different types f sandstrmsthe reasns fr sandstrmssandstrms in different cities
Listen t 1a and chse the best answer.
Fcus n the main idea f the cnversatin when yu listen fr the first time.
What’s the weather like tday?What causes these sandstrms?
It’s bad. The wind is s strng. And the sand really hurts peple's faces.
Peple have cut dwn t many trees.As a result, a lt f rich land has changed int desert.
Listen again and answer the questins.
D we need t d smething t prtect the envirnment? Hw?
Yes, we d. Althugh there were sandstrm, nw we have built “The Green Great Wall”.
althugh=thugh
1a Listen, lk and say.
1c Read 1a and cmplete trees’ functins.
Trees can stp the wind frm blwing the earth away.A lt f water can be saved by frests.They can als stp the water frm washing the earth away.
Tree’s functins
ding sth.阻止做某事
1 change int... 变成……e.g. Water has changed int steam.水变成了蒸气。2 stp/prevent sb./sth. (frm) ding sth. 阻止某人/某物做某事，frm可以省略。e.g. The heavy snw stpped/prevented the visitrs (frm) leaving the tp f the muntain. 大雪使游人不得不停留在山顶上。
Language pints
由sme/any/every/n + bdy /thing/ne/where构成.
1、不定代词作主语，谓语动词用单三
2、形容词修饰不定代词放其后
3、smething 用于肯定句或请求疑问句中 anything 用于否定句或疑问句中
一、不定代词（副词）的构成：
e.g. smething
Nbdy likes t be untidy.
I have smething imprtant t tell yu.
I have smething imprtant t tell yu. I dn’t have anything imprtant t tell yu.
smebdy, smene, smething, smewhere anybdy, anyne, anything, anywhere nne, nbdy, nthing, nwhere everybdy, everyne, everything, everywhere
一般情况下用于否定句和疑问句
1.I have ____ t tell yu.A. imprtant smethingB. smething imprtant
形容词修饰不定代词和不定副词时，要放在不定代词/不定副词之后
2.Everybdy ___ ready fr the match.A. is B. are
不定代词作主语时，谓语动词要用单数。
2 Cmplete the sentences with the crrect frms f the given phrases in the bx.
as a result, change int, d smething, stp…frm, blw…away
1.Peple have cut dwn such a large number f trees that the land _____________________desert. 2.There are fewer trees left, s the wind always _______ the earth ________. 3.Air pllutin has becme a serius prblem, s we must ______________ t reduce it. 4.we shuld try ur best t _________ peple ________ cutting dwn the trees. 5.In the future, human beings can prtect the trees well. _____________, animals will live a happy life in the frest.
Pst-listening
4 A. Listen and circle the phrases yu hear.
4 B. Listen again and fill in the blanks.
Discuss: Hw d sandstrms cme int being, and hw t prevent them?
Dn't cut dwn s many trees
blw strngly
Talk abut it with yur partner.
Yu can begin like this: Sandstrms are really terrible.D yu knw hw they cme int being? First, ... Secnd, ..., As a result, ...
Make a reprt accrding t the result f discussin.
Enjy the beauty f the earth.
Let the earth mther frever yung and beautiful.让地球母亲永远年轻美丽。
1. Use the indefinite prnun and adverb. 2.Talk abut the sandstrm and its harm.
1.Sme wrds: sand, althugh 2.Sme phrases: change int, human being 3.Sme sentences: (1)As a result, a lt f rich land has changed int desert. (2)Trees can stp the wind frm blwing the earth away.