Unit 13 We are trying to save the earth教学实录与反思.docx

1、Unit 13 We are trying to save the earth教学实录与反思一、教学说明：教学内容：Unit 13 We are trying to save the earth.SectionB (3a-4)教学目标：1. Remember the words and phrases.2. Important sentences.3. Writing a composition about protecting the environment. 教学重点与难点： 写一篇关于环境保护的作文二、教学过程：Step 1 Important words Show some pictu

2、res on the screen and revise the important words , get Ss to remember them. Then check them.1.enormous=very large 巨大的 (反义词) tiny极小的2.against 介词, 反对, 违反,与相反(=opposite) (反) for 支持3.stuff n废物；无用的东西4.play (形) playful 5.feed (名词：饲料) (动词：喂养) fed fedfeed dogs on meat=feed meat to dogs6.pollute(形) polluted

3、被污染的 become polluted (名词) pollution7.express 动词：表达 (名词)：expression8.pull 拉、拖、拔 (反义词) push 推9.build built built building10.busy be busy with be busy doing 忙于做- (名词) on business11.pride 自豪、骄傲 (形容词) proud 自豪的、骄傲的( 课件出示本单元重点单词的词形变换，让学生记忆5分钟，然后检查。这一步注重基础知识的掌握)Step 2 Reading and writingMake sentences with

4、 useful expressionsI think that I agree with you.I believe that I disagree with you.I feel that I agree withA: I think that animals should not live in the zoos.B: I disagree with you. I feel that zoos provide clean and safe places for endangered animals to live.A: I dont think so.B: A zoo is a place

5、 where many different species of animal are kept and usually can be seen by members of the public. A: Why can people go and see the animals in the forest?B: In that case, more harm will be done to the animals.A: Kept in the zoos animals are losing their natural nature of living.B: Most modern zoos a

6、re also centers where animals are studied so that more animals in the forest could be saved and protected.A: Some rare animals are dying out. B: Yes, they are. Rare animals could be preserved when they are in danger of dying out. A: You are right in saying that. But I still think that it is not righ

7、t to put animals in the zoos. They belong to the forest, the river, the sky and the sea. （通过对话使学生意识到保护濒危动物的重要性，同时也培养学生的语言交际能力。）Important phrases1.和-相似 be like=look like=be similar to 2.多大 how big3.10英尺长 ten feet long4.重大约1,000磅 weigh about 1,000 pounds5.尽力去拯救 try to save the manatees6.到-去了（人未回来） hav

8、e/has gone to7.曾到过-（人回来了） has / have been to8.曾在某地呆过多长时间 have / has been in9.濒危动物 endangered animals10.已经污染了 have become polluted11.塑料袋 plastic bags12.适合某人做- be suitable for sb to do sth13.反对做- be against doing sth14. 很惊讶地做某事 be surprised to do sth. 15. 惊奇地 in surprise 16. 使某人惊奇地 To ones surprise 17

9、. 提供给某人某物 provide sb. with sth.18. 提供给某人某物 provide sth for sb. 19. 年轻人 the young 20.呼吁做 urge sb. to do sth.21.urge against 极力反对 22.回收利用书纸 recycle books and papers23.离屋关灯 turn off the lights when you leave a room24.洗发关龙头 turn off the showers while you are washing your hair25.停止驾车 stop driving cars26.

10、 摧毁；推翻 pull down 27. 由制成；由构成 be made from out of of 28. 听见某人做/正在做某事 hear sb. do / doing sth.29. 听说, 听到 hear of /about 30. 收到的来信 hear from 31.在我的空闲时间 in my free spare time ( 课件出示本单元重点短语和习惯用法，让学生记忆10分钟，然后检查。这一步注重基础知识习惯用法的掌握，为写作积累素材。)Step3 Important sentences learn to talk about recyclingRecycling is t

11、he reuse of materials that would otherwise be considered waste. If all animals are endangered, if the earth is endangered, then we are endangered. What can we do to save the endangered animals, the endangered earth, and us human beings?1. Stop riding in cars2. Recycle books and paper3. Turn off the

12、lights when you leave the room4.Turn off the shower while you are washing your hair5. Dont use paper towels or napkins（谈论回收利用，为作文做铺垫。）Step4. Doing pairworkIn pairs you are going to talk to compare your answers.A: Recycling paper is really easy.B: I agree. But its hard to stop riding in cars.A: Turni

13、ng off the lights when you leave the room is not difficult at all. B: I agree. But there are some people who always leave their lights on when they are away.A: Turning off the shower while you are washing your hair is not difficult to do.B: No, it isnt difficult to do. I dont use paper towels or nap

14、kins.A: Really? I have to learn from you to better protect our planet.We learned a lot from what our classmates talked about. Now in pairs role play a conversation using the information from the chart above to say what is true for you.A: We really shouldnt use paper napkins, you know.B: I know. I st

15、opped using them last year.A: We should fall into the habit of turning off the lights when we go out.B: I have been doing that ever since I started schooling.A: We had better turn off the shower when we are washing our hair.B: I have never done that before, and I will never do that in the future, either.A: Why, are you not a good citizen?B: Yes, I am a good citizen. You see I keep very short hair. I am only in the shower for a few seconds.A: And we should take our own bags when shopping.B: I agree with you. Next time I go shopping to Mee