高中英语：教案：人教版选修六Unit4 language points.docx

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1、Book 6 Unit 4 Global WarmingLearning language points 教学设计教材分析：本单元的中心话题是人类当今面对的环境问题，主要讨论了“全球变暖”和“节约能源”等方面 的问题。“语言学习”局部是对课文中重点词语词组和句型的讲解。教学设计思想：这节课是在讲完课文阅读理解后所设计的一节课，主要是针对课文中的重点词语词组和句型 的讲解。课文中的词语用法比拟简单，无需多讲解，所以，设计的初衷就是教给学生如何记 忆单词。将文中的关键单词分成了同一个话题，近义词，反义词，词性转化四个局部让学生 来记忆单词。记背单词本身就是学生的软肋，这样的设计也对学生今后的英语学

2、习有很大帮 助。在单词后，通过图片强化学生对这些单词的认识。在单词讲解后，介绍文章中的两个重 点句型，并且通过学生非常熟悉的话题进行训练。在前面的铺垫之后，让学生通过辩论的形 式来运用所学词汇。辩论的话题也与本单元话题紧密相关，培养了学生保护环境的意识。最 后的作业就是写一篇正反议论文。让学生将课堂所学进行训练。教学目标：1 .让学生通过不同的方法来记忆单词。2 .让学生通过图片来了解句型结构的基本用法。3 .让学生通过辩论的形式来巩固词语和句型结构的运用。4 .培养学生保护环境的意识。教学重点和难点：如何让学生运用所学的词语和句型在辩论中进行运用。教学过程：Step 1. Lead-inBr

3、ainstorm words about disasters concerned with global warming.设计说明：以竞赛的形式让学生在10秒内尽可能多的写出与全球变暖有关的词语，可以激 发学生上课的兴趣。另外，本节课目的之一是告诉学生如何来记忆单词。这个步骤就自然的 导入到下一个环节：通过同一个话题来记忆单词。所讲词汇也是课文中的词汇。Step 2.Learning about words1. Guide students to learn how to remember words:1) The same topic:Catastrophe: famine, floods,

4、 drought .2) Antonymsubscribe to-be opposed togo up-go downresult in-result from3) Synonymsubscribe to: agree with, approve of, be in favor of, be fora) be opposed to: be agaist, disapprove of, disagree with, object toa quantity of: a lot of, plenty of;a number of, a great many;an amount of, a great

5、 deal ofd) even if: even thoughe) result in: lead to, cause4) conversionQuantities of people still keep on burning fossil fuels.His dirty words only fuelled the argument further.Possible meaningswordWhich used1. the physical or mental condition of someone2. to formally say or write some information1

6、. a number of different things of the same general kind2. vary within these points1. a piece of equipment for catching animals2. to be in a bad situation from which you cannot avoid设计说明：通过把单词归为四个类别来教学生怎样记忆单词，并且，在列举的过程中，讲解 某些重要单词的用法，为下面的说奠定基础。2. Practice:Fill in the blanks with the words given in the

7、 blanks. Not all words can be used. Someword can be used twice.subscribe to state be opposed to come about catastrophe go up range quantities of result in even if tend to do trend keep onThough the government has taken measures, the housing price is still, which has many problems.1. How does it that

8、 students are addicted to computer games nowadays?2. cars give off polluted gases, many still want to buy them.3. If the amount of greenhouse gases continues to build up, we could be facing a global4. When he found his suggestion by most colleagues, he that he wouldtry again.5. There are a wide of p

9、rograms nowadays, the most popular of which is aboutblind date（相亲）.It，s amazing that the age of those who take part from 20 to 50 oreven above.设计说明：通过练习，加强学生对刚才所讲词汇的记忆。并且，这些呈现在学案上的句 子也有助于学生在最后口语练习当中呈现出来。Step 3. Learning about sentence structures:Task 1: Replace the following sentences with a better

10、expression from the text:1. Human activity has caused this global warming rather than a random but natural phenomenon.2. The greenhouse eflecf, makes the earth about 33 degrees warmer than it is.Key:1. It is human activity that has caused this global warming rather than a random but natural phenomen

11、on. Emphatic sentenceWithout the greenhouse effect”, the earth would be about 33 degrees cooler than it is. Subjunctive moodTask2: Give four pictures and ask students to make up sentences with the structure:It is the program that.It is quantities of cars that.Without money,.Without cars, .设计说明：这个步骤操

12、练句型，并且借助于很流行的节目爸爸去哪儿，学生会觉得 有话可说。轿车也与本单元话题息息相关。设计非常合理，学生容易上口，有话可说。为后 面的辩论奠定了基础。Step 4 DebateTaskl ： Students discuss about the topic: Should we limit buying cars?Task2: DebateUseful expressions for debate:Expressing opinions:Expressing agreement:Expressing disagreement:Personally, .I cant agree more.

13、I am opposed to your opinion.In my opinion, .I subscribe to your view.I am against you.From my point of view, .I agree with you.I object to you.As far as I am concerned, .I am in favor of you.I disapprove of you.The point is that.I approve of you.I disagree with you.rd like to point out.I am for you

14、. .I cant possibly agree with you.What I mean to say is that.I am with you on that.I wouldnt accept that for onerd like to state that.Thafs just how I see it.minute.Thafs a good point.设计说明：所选辩论的话题也很有针对性。武汉有说要限购，此话题也与本单元全球变 暖有关。而且，辩论也涉及到刚才所学的词汇，在层层铺设之后，学生都会有话可说。Homework:Write a passage about Whether we should limit buying cars”.State different views on it and your opinion.设计说明：在课堂上学生就此话题进行辩论之后，课下写成文章是对此进一步的巩固，并且, 也可以再次讲所学进行运用，加深了学生对所学词汇句型的记忆。