下载 初中英语 牛津 上海版 八年级上第七单元阅读课(a)教学课件

Unit 7Environment,Reading A,There are many environmental problems.,A The world needs our help!,Our world is in great danger.,A1 Lucy is showing Ben a book review. Read the first paragraph and the headings in the review. Then try to answer these questions.,1. What is the name of the book?2. A consumer buys and uses things. What do you think a green consumer is?3. What do you think the main topic of the book is?4. How many topic does the review cover?,The Young Green Consumer Guide,Four topics,How to save Earth,Only buy and use environmental Friendly things,Whats the main problem of our Earth?,The greenhouse effect,The act of destroying rainforests,Bad habits,A,B,C,Read again and answer.,1. What lets sunlight in and keeps much of the warmth from getting out?2. What is making the greenhouse effect worse?3. What will the greenhouse effect cause?4. What will using things once and then throwing them away cause? 5. What does the book ask us to become?,Atmosphere,Chemicals in the form of gas.,“Green consumers”.,It will cause the level of seas to rise and drown cities and even the whole country.,Mountains of rubbish and it pollutes our seas and lands.,Language points,1. keep sth/sb from doing 阻止，防止 我们必须设法防止屋顶塌下来. We must do something to keep the roof from falling in. 我们必须防止他们知道我们的计划 We must keep them from getting to know our plan.,Lanauge points,. cause sth to do 致使，引起 这些鱼死于什么原因？ What caused the fish to die? cause sth to sb 你给我们惹麻烦了 Youve caused trouble to us.,Lanauge points,3. in order to do 为了 为了找到儿子，他坚持在废墟中挖了十几个钟 In order to find his son, he kept digging in the ash for more than ten hours.,A3 1 Because of pollution, _. a. not enough sunlight is reaching Earth _. b. not enough heat is leaving Earth 2 The greenhouse effect causes the level of seas to _. a rise b fall 3 If we cut down more trees, the greenhouse effect will be _. a worse b better,4 Many people use things only once and then throw them away . This rubbish _. a reduces b creates 5 The books aim is to make _. a young people protect the environment more b more young people become cons