Unit2 Topic3 Section D课件 九年级英语上册.ppt

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1、Unit 2 Saving the EarthTopic 3 What can we do at home to protect the environment?,Section D,How important is the forest?,Fast-reading,Underline the topic sentence of the passage.,Forests are the lungs of the earth.,Careful-reading,1.Answer the questions on page 50.,2.Underline the new words and impo

2、rtant phrases while reading.,How do you understand “Forests are the lungs of the earth”?,Forests can remove carbon dioxide from the air and make oxygen.,What difficulties do tree planters facewhen they plant trees ? (1)The weather may be very hot and dry or it may be very cold and wet. (2)There are

3、often many insects that bite these planters on their legs, arms, and faces while they work. (3)They carry heavy bags of small trees, and working in the mountains can be dangerous.,Why do they plant different kinds of trees ?They plant different types of trees so thatbirds and animals can live in the

4、 forests.,What will happen if we do not plant new forests ? The forests will become less and less. We cannot breathe without them. ,Review,鼓励某人做某事,encourage sb to do sth,赶快，快点,hurry up,放弃,give up,毕竟，归根结底,after all,用光，耗尽,run out,关掉电源,shut off the electricity,节约能源,save energy,代替，而不是,instead of,行动胜于言辞,

5、Actions speak louder than words,说起来容易做起来难,Easier said than done,Grammar,and,while,or,but,Functions,greener,shut off,Easier,louder,reach,Would you like to be a tree planter when you are older ? Why or why not ?,How can we become a greener person?,Turn off the lights when we leave a room.Walk or ride

6、a bike instead of taking a bus or a taxi.Take a cloth bag when we go shopping. Dont drive a car if you travel a short distance. Write on both sides of the paper. Dont use the things that can be used only once. After we wash faces, we can use the water to wash clothes. Turn off the TV set while we ar

7、e away. ,1. Answer the following questions to see how green you are.,Project,Finding the Greenest Person,=2,=1,=0,04 You have not started turning green yet! 59 You are pale green.1013 You are medium green. Try harder.1418 You are bright green, but do not stop trying.,Score:,=3,Show yourself,Write a

8、short passage according to the questions you answered just now, you can write like this:,Environment is very important to us ,we should doeverything we can to protect it.For me, I often/seldom recycle newspapers and cansSo I ampale green/medium green/bright green. I should try harder/not stop trying

9、.,We learn: 1. Some words: dry ,remove,replace 2. Some phrases: remove sth. from sth.; face difficulties; even though 3. Some sentences: (1)Without them, it cannot breathe. (2)They plant different types of trees so that birds and animals can live in the forests. We can: 1. Use the compound sentence correctly. 2. Realize the importance of the forest.,Summary,Read 1a.Memorize the useful expressions and key sentences which we learn in this topic.Finish Section D in your workbook.Review what we learn in this unit.,Assignment,Thank you!,