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    牛津深圳版英语九下课件:Unit 3 Period 1课件01
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    牛津版 (深圳&广州)九年级下册(2014秋审查)Unit 3 The environment教学课件ppt

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    这是一份牛津版 (深圳&广州)九年级下册(2014秋审查)Unit 3 The environment教学课件ppt,共19页。PPT课件主要包含了Unit 3,Period 1,Homework 等内容,欢迎下载使用。

    Oxfrd English
    Mdule 2 Envirnmental prblems
    Getting readyReading (I)
    Getting ready
    Lk at the cartn and answer the questins.
    What has L dne? What did Hi tell L t d? Des L understand what Hi meant? What did Hi mean when he tld L t be greener?
    What shuld a persn d if he r she wants t be green?
    He has painted himself green.
    He tld L t be greener.
    N, he desn’t.
    He meant that L shuld care mre abut the envirnment.
    What d yu knw abut …?
    What d yu knw abut the greenhuse effect?
    A1 What d yu knw abut the greenhuse effect? Match the first half f the sentences in clumn A with the secnd half in clumn B. Write the crrect letters in the blanks.
    The gases cause the atmsphere t keep in t much heat frm the Sun.
    The Earth is getting warmer and warmer.
    There is an atmsphere arund the Earth.
    It cntrls the Earth’s temperature.
    Hwever, we are plluting the Earth with harmful gases.
    Read the fllwing sentences.
    Read the sentences in A1 and answer the questins.
    1 What’s arund the Earth? 2 What are peple plluting the Earth with? 3 What are the effects f the harmful gases? 4 What d we call this?
    The atmsphere.
    Harmful gases.
    They cause the atmsphere t keep in t much heat frm the Sun, and the Earth is becming warmer and warmer.
    The greenhuse effect.
    A2 What is the result f the greenhuse effect? In grups, discuss this with yurclassmates.
    Befre yu read
    Lk at the article n page 35 and chse the best answer.
    The article is prbably frm a(n) ______. a advertisement b pster abut the Earth Hur c envirnmental science bk d cmic bk
    Lk at the pictures, the title, the intrductin and the sub-headings f the article n page 35. Then answer the questins belw.
    1 What is the article mainly abut? 2 What prblems des the article discuss? 3 A cnsumer is smene wh buys and uses things. Can yu guess what a “green cnsumer” is?
    Envirnmental prblems.
    The greenhuse effect, cutting dwn frests and bad habits.
    A “green cnsumer” is smene wh nly buys and uses things friendly t the envirnment.
    Think and answer
    What des a green cnsumer usually d?
    The wrld is ______________.
    Main prblem 1: _______________
    Main prblem 2: _______________
    Main prblem 3: ______________
    Slutin: We need t _____ ____________.
    Read the text and finish the chart.
    The greenhuse effect
    Cutting dwn frests
    take prper actin
    Match each picture with each part f the text.
    While yu read
    Why must peple d smething t prtect the envirnment? What are the main prblems peple face? What shuld peple d t prtect the envirnment?
    Read the text and answer the questins.
    Because ur wrld is in danger.
    The greenhuse effect, cutting dwn frests and bad habits.
    Peple shuld becme “green cnsumers”.
    C1 The wrds in italics explain the meanings f sme wrds n page 35. Find these wrds t cmplete the sentences. Change their frms if necessary.
    As a result f
    The wrld is in dangerOur wrld is in danger. We must d smething t prtect the envirnment. But, what are the main prblems we face?The greenhuse effectThe atmsphere arund the Earth is necessary fr all living things. It is like the glass f a greenhuse, letting sunlight in and keeping heat frm getting ut. Withut it, the Earth wuld be the same as the Mn—cld and lifeless.When we burn fuels such as petrl and cal, we prduce a gas called carbn dixide (CO2). T much f this gas pllutes the atmsphere, and causes it t keep in t much heat. As a result f the greenhuse effect, the Earth’s temperature is increasing. This causes sea level t rise, and in the future may cause cities t disappear.Cutting dwn frestsEvery year, we destry nature by cutting dwn huge areas f frests. This makes the greenhuse effect wrse because trees take in CO2 and prduce xygen. Cutting dwn trees als destrys the hmes f the animals that live in ur frests, and causes the surface f the sil t be easily destryed by rain. This can result in flds and even mre damage t the envirnment.
    Read after the recrding
    Bad habitsMany f ur habits cause pllutin. Peple ften use things nce and then thrw them away, r leave them n the grund as litter. This creates muntains f rubbish and pllutes ur land and seas. In rder t prtect the envirnment, we need t take prper actin. We shuld be different frm many cnsumers and becme “green cnsumers”. This means that we shuld nly buy and use prducts friendly t the envirnment. We shuld als recycle as many things as we can. We can reuse things frthe same purpse as befre, r we can use them fr new purpses. If we just learn t live in new and different ways, we can make a difference.
    1. 模仿录音的语音、语调,朗读课文。2. 抄写单词和短语: atmsphere,temperature,cnsumer,guess,green,result,increase,sea level,surface,habit,prper;greenhuse effect,in danger,as a result f, muntains f,take actin。3. 根据课堂上完成的结构图简单描述目前地球面临的问题及其导致的严重后果。4. 完成《练习册》第41页Reading A的练习。
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