英语九年级上册Topic 2 All these problems are very serious.试讲课ppt课件

这是一份英语九年级上册Topic 2 All these problems are very serious.试讲课ppt课件，文件包含G9U2T2SA-课件pptx、G9U2T2SA-教案doc、G9U2T2SA-练习doc、G9U2T2SA-plantatreesongmp4等4份课件配套教学资源，其中PPT共20页， 欢迎下载使用。

Learning aims
Be able t use the indefinite prnuns crrectly.Be able t talk abut hw sandstrms cme int being.Master sme useful phrases and expressins.
Listen again, and chse the best answer.
The by and girls are talking abut _________________.different types f sandstrms the reasns fr sandstrms sandstrms in different cities
the reasns fr sandstrms
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
What d sandstrms cause?
Listen and chse the effects f sandstrms.
What bad weather!Wind blws strngly.Sand hurt Kangkang’s face.Kangkang culd see anything.Peple have cut dwn t many trees.
Read 1a again and find ut the key pints.
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
the indefinite prnun and adverb
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。
Lily, wuld yu like ___________ t drink? Cindy is very busy nw. She needs _______ t help her. Is there _________ wrng with yur cmputer?Jim lked fr his pencil-bx ____________ , but he didn’t find it. I stayed at hme last week. I didn’t g __________.
Use smene, smething, anything, smewhere, anywhere t fill in the blanks.
Read 1a and try t explain why trees can affect weather
3 D yu knw hw sandstrms cme int being? Number the pictures and talk abut the sandstrm in grups.
wash the earth away
change int desert
sandstrms cme int being
cut dwn trees
Hw d sandstrms cme int being?
Cmplete the sentences.
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.
has changed int
As a result
Listen t the passage and circle the phrases yu hear.
becme weakerdestry the envirnmentdisappear rapidlyn the earthenugh bamb t eat
Listen again and fill in the blanks.
Nw sme kinds f animals are becming ______ ______ _______.2. Sme animals are_____ ______ ____dying ut cmpletely.3. In the past, pandas lived a quiet life and had ________ ______fd.4. Humans have _____ _____ __________ the imprtance f prtecting animals.5. We shuld ______ ______ ____t prtect them.
d ur best
in danger f
cme t understand
fewer and fewer
We learn: 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. We can: 1. Use the indefinite prnun and adverb. 2.Talk abut the sandstrm and its harm.
Vide – Plant a Tree sng
Read 1a.Memrize the useful expressins and key sentences which we learn tday.Finish Sectin A in yur wrkbk.Preview Sectin B.