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1、Unit 8 A green world教案Welcome to the unitTeaching Aims:1. To be able to identify different ways to protect the environment2. To learn to talk about how to live a green lifeTeaching steps:Step 1 Warming upDid you know that all around the world, 3 to 6 billion trees are cut down each year? Have you ev
2、er planted a tree? Watch a video.Step 2 Presentation1. Show some pictures and present the new words.2. Read aloud the new words. digseriousbreadfruit reduceturn offrecyclecausewisevt. & vi. 挖（洞，沟等）adj. 认真的，严肃的n. 面包树果实vt. & vi. 减少，降低关上（开关）vt. 回收利用，循环利用vt. 导致；造成adj. 明智的，充满智慧的来源:gkstk.ComStep 3 Learn t
3、he conversation1. Listen to the tape and ask:1) What is Hobo going to do?2) Will more trees be planted this year?3) What does Eddie like doing?4) What will Eddie plant?2. Act out the conversation.Step 4 Practice来源:学优高考网1. Do Part A on page 117.2. Check the answers.Step 5 Listen and answer 1. Listen
4、to part B and answer the following questions. 1) How did Kitty go to school in the past?2) What about now?3) What does Millie think she should do to live a green life?4) What about Daniel?5) What about Sandy?2. Read after the recorder.来源:学优高考网gkstkStep 6 Free talkWork in groups and talk about the wa
5、ys to live a green life.A: What should we do to live a green life?B: I think .C: I think .D: I think .Step 7 Language points1. What are you going to do? 你打算做什么？ 句中be going to do sth. 意思是“打算、计划做某事”。 e.g. I am going to plant trees this Sunday. 我打算这个星期天去植树。 He is going to see a film next weekend.来源:gks
6、tk.Com 他打算下个周末去看电影。2. Will more trees be planted this year? 今年更多的树将会被种植吗？句中will be planted 意思是“将会被种植”，“will be + 动词的过去分词”是一般将来时的被动语态。 e.g. The panda will be sent to the zoo tomorrow. 这只大熊猫明天将被送到动物园。 及时练 将下列句子改为被动语态。1) His father will mend his bike. _2) John didnt finish the homework. _3) Did Mike wa
7、tch the new movie yesterday? _4) Are the students going to plant trees tomorrow? _ 3. We can reduce air pollution by riding bicycle. 我们可以通过骑自行车来减少空气污染。句中reduce air pollution 意思是“减少空气污染”，“by doing sth.”意思是“通过做某事”。 e.g. We can protect the environment by recycling things. 我们可以通过回收利用东西来保护环境。 We can save
8、 energy by turning off the lights. 我们可以通过关灯来节约能源。4. My dad used to drive me to school. 我爸爸过去常常开车送我去学校。来源:学优高考网gkstk 句中used to do sth. 意思是“过去常常做某事”。used to表示过去的习惯动作或状态，它可以用于各种人称，其后接动词原形。 e.g. They used to play football on the playground. 他们过去常常在操场上踢足球。“drive sb. + 地点副词/to + 地点名词”意为“驾车送某人去某地”。drive to
9、 sp. = go to sp. by car意思是 “开车去某地”。 e.g. Can you drive me to the train station? 你可以开车把我送到火车站吗？ My friends often drive to work. = My friends often go to work by car. 我的朋友们经常开车去上班。5. Its wise for people to choose public transport or ride bicycles. 对人们来说选择公共交通或骑自行车是明智的。 It is + adj. + for sb. + to do s
10、th. 意思是“对某人来说做什么事情怎么样”。常用于此句型的形容词有important, difficult, dangerous, necessary, useful, possible等，用来对 to do sth. 进行说明，此句型可以转换成To do sth. is + adj.。 e.g. It is very important for student to learn English well. 对学生来说学好英语是很重要的。拓展 It is + adj. + of+ sb. + to do sth.，常用于此句型的形容词有good, kind, nice, clever, wi
11、se 等，用来对sb.的性格、品质等进行说明，将这个句型中的 sb. 和 adj. 提出来可以造句为 sb. + be + adj.。 e.g. 你这样说真是太好了。 Its very kind of you to say so.Step 8 Exercises一、根据汉语提示写单词。1. Is he _ (严肃的)?2. We can _ (减少) air pollution by riding bicycles.3. He is _ (挖洞) in the garden.4. We can _ (回收利用) old things. 5. It is _ (明智的) of you to take a map. 二、抢时记忆：翻译短语1) 打算、计划做某事2) 植更多的树3) 在花园里挖沟4) 种植水果面包树5) 对. 有好处6) 减少空气污染7) 严重的，严肃的8) 节约水/能源9) 引起严重的空气污染Step 9 HomeworkRead the text book and learn the new words and phrases by heart.
