人教版高中英语选修6 Unit4 语言点名师教学设计.docx

1、人教版高中英语选修6 Unit4 语言点名师教学设计Unit4 语言点名师教学设计Book 6 Unit 4: Global warmingSection 2语言知识点课框架单教材版本：人教版 册数：Book 7 单元：Unit 4 课型（课时）：语言知识点课-Section2 教材分析本课主要是学习和复习本单元的话题词汇，教材一共设计了两个，帮助学生理解并运用课文中的词汇和短语。练习一让学生重新阅读课文，并找出文中一些具有不同词性或不同含义的生词，分辨它们在文中的含义；练习二则要求学生使用前几个部分所学的生词来完成与“全球变暖”话题相关的一些句子。教师另外补充了一些本单元重难点词语的详解。本

2、课通过教师引导学生在语句和语篇中学习词汇及了解词汇不同的语用意义，培养学生自主学习词汇和在情境中学习词汇的能力。教学目标语言知识目标：1.复习阅读课中的有关诗歌的重难点词汇和短语Come about result in/from consequence range quantities of tend go up theres no doubt that glance at语义目标：1. 能理解重点词汇在不同语境中的表达的内涵意义；2. 能使用有关环境问题的词语谈论全球变暖，能源问题和环保问题；语用目标： 1. 能在语篇中使用单词或短语正确的词性进行填空；2. 能表达个人对全球变暖的问题的看法

3、和观点。策略目标：1. 能自觉有效地应用根据词性和语境猜测词义的技巧；2. 能准确地用英语解释英语单词（paraphrase）;文化目标：1. 能理解全球变暖带来的利弊；2. 能树立“节约能源、保护环境”的主人翁意识。教学重难点教学重点：1. 本单元的话题词汇、短语和重点句型的用法；2. 培养学生通过paraphrase猜测词义的能力及对于词汇学习的自主学习能力。 教学难点：1. 培养学生的环保意识；2. 教会学生在语境中运用已学词汇和短语。建议教法3P教学法 通过Presentation-practice-production的方式逐步呈现单词的用法-在语篇中练习巩固-学生自主复习归纳单词，

4、帮助学生扩大词汇量和掌握用paraphrase和在语篇中记忆单词的方法。教学流程（详见相应教学设计）教学评价1.本课时的目标设计清晰可操作，活动的设计紧扣目标要求并与目标达成一致； 2.语言知识点课的活动设计将词汇教学和语用学结合在一起，在语篇中让学习习得了语言知识； 3.课后的活动设计体现了对学生环保意识的培养。Section 2语言知识点课教学设计步骤过程措施（教师活动与学生活动）目的持续性评价DELC1预备与激活先期知识Step 1Leading-in (引入) (5mins )1. Lead in the lesson by asking students to find the sc

5、ientific items in the reading passage first and then categorize those words into groups of different Part of Speech. T: Write an example on the board:Nounsnoun phrases: graph, data, natural phenomenonAdjectives: cooler, as low asPhrases: there is no doubt, scientists subscribe toVerbs: to predict, t

6、o rise, to reduce, to cause S: Find more words and expressions in the reading passage.1.培养学生对词汇学习时关于词性的关注。1.学生是否明白词语在不同语境中有不同含义。 DELC2获取新知识Step 2Presentation (新知呈现)(20 mins )Teacher guide the students to learn the key words and expressions specifically.1. So how has this come about and does it matte

7、r?come about 是不及物短语，意为“发生”。【即时练习】Please tell me how the accident _. I am still in the dark. A. came by B. came out C. came to D. came aboutIts already 10 oclock. I wonder how it _ that she was two hours late on such a short trip. A. came over B. came out C. came about D. came up【点拨】选 C。句意为：已经十点了，这么短

8、的路途她竟然晚了两个小时，我真不知道这是怎么回事。come over顺便来访；come out出现，出版；come up走近，上来，提出。2. result in 导致, 造成= lead toe.g. The earthquake resulted in the death of many people. Davids carelessness resulted in his failure.result from 起因于，由于e.g. The development of the city results from its tourist attractions. We have to d

9、eal with problems resulting from unemployment.【即时练习】用适当的介词填空。1）Maxs success resulted _ accepting the advice of his teacher. (from)2）The excellent class atmosphere resulted _ the increase in knowledge gained by students. (in)3. consequencee.g. What will the consequence be? in consequence 因此 as a cons

10、equence 结果as a consequence of 由于的结果4. range 种类；范围e.g. This is outside the range of our study.in /within range 在射程之内 out of / beyond range 在射程之外【即时练习】This restaurant has become popular for its wide _ of foods that suit all tastes and pockets. A. division B. area C. range D. circle【点拨】 句意为：这家饭馆的食品种类丰富

11、，可以满足不同口味和收入的顾客，因此深受大家的喜爱。5. quantities of quantities of 大量的，其后既可以跟可数名词，也可以跟不可数名词。e.g. Rose owns quantities of books.In summer, quantities of fruit and vegetables are preserved in the fridge.当“quantities of / a quantity of + 名词”作主语时，谓语动词的数取决于quantity的数，而与所修饰的名词无关。e.g. There is a large quantity of sn

12、ow in this area. There are quantities of snow in this area.我们在高一学过amount这个词，也可构成a great amount of，表示“大量的”， 其后通常跟不可数名词。当“an amount of / amounts of + 不可数名词”作主语时，谓语动词的数同样取决于amount的数。【即时练习】根据汉语提示，补全下列句子。1.Large quantities of beer _(已被售出) in this shop.2. _ _ (大量的学生) crowded into the library.6. tend 观察ten

13、d在下列各句中的词性、含义及用法。1. Janet tends to get very angry if you cant satisfy her demands.2. David tends towards obesity.3. Sofia was tending to her son in the bedroom.4. The nurse skillfully tended the soldiers wound.5. Mary will tend the garden while youre on vacation.从以上例句我们可以看出，tend 既可作及物动词也可作不及物动词。作不及物

14、动词时，意为“易于”，构成tend to do sth. 结构，意为“易于做某事”（句1）；“_”，后常接towards或to（句2）；“照顾”，构成tend to sb. / sth. 结构（句3）。作及物动词时，意为“_”（句4、句5）。【即时练习】将下列句子翻译成英语。1. 他们表演的舞蹈风格多样，但多半倾向于民族舞。2. 这里春天雨水很多。7. . causing the global temperature to go up. go up 上升；增长；升起。【考例】 Do you think that housing price will keep _ in the years to

15、 come? Sorry, I have no idea. A. lifting up B. going up C. bringing up D. growing up【点拨】 选B。句意为：你认为房价在未来几年内会持续上涨吗？lift up拿起，举起；bring up抚养，培养，提出；grow up长大，成长。8. Even if we start reducing the amount of carbon dioxide . even if /though 即使 used to emphasize that, although something may happen or may be

16、true, it will not change a situationThe engineers are so busy that they have zero time for outdoor sports activities, _ they have the interest. A. wherever B. whenever C. even if D. as if【点拨】 选C。句意为：这些工程师太忙了，以至于虽然他们有兴趣进行户外体育运动，但是没有时间。长难句分析：1. There is no doubt that the earth is becoming warmer and t

17、hat it is human activity that has caused this global warming rather than a random but natural phenomenon. 本句的主句是There is no doubt，从句是两个由that引导的同位语从句。There is no doubt that .是固定句型，意为“毫无疑问”，that引导的是同位语从句，用来进一步补充说明doubt的具体内容。【考例】 Some researchers believe that there is no doubt _ a cure for AIDS will be

18、 found. A. which B. that C. what D. whether【点拨】 根据固定搭配there is no doubt that . 可知选B。There is no doubt that .There is some doubt whether .主句为肯定句时，doubt后使用连词whether。主句为否定句时，doubt后则使用连词that。it is . that . 在此句中构成强调句型，强调的是主语human activity。强调句型除谓语不能强调外，可强调主语、宾语或状语。【考例1】 It is not who is right but what is

19、right _ is of importance. A. which B. it C. that D. this【点拨】 根据强调句型的判断方法：将it is和that去掉后，此句成为Not who is right but what is right is of importance，是一个完整的句子，故此题是一个强调句型。【考例2】 I dont mind her criticizing me, but _ is how she does it that I object to. A. it B. that C. this D. which 【点拨】 去掉it is和that后，本句相当于

20、., but I object to how she does it，是个完整的句子。故此句是it强调句型，被强调部分是宾语从句。2. Without the green house effect, the earth would be about thirty-three degrees Celsius cooler than it is.这是一个含蓄虚拟条件句 应该注意有时假设的情况并不以条件从句形式表示出来，而是通过一个介词短语或其他方式表示。常用的词或短语有：without, but for, but that, otherwise, or, but等。 e.g. Without yo

21、ur help ( = If we had not had your help), we could not have succeeded.要是没有你的帮助，我们是不会成功的。 e.g. But for electricity (= If there were no electricity), there would be no modern industry. 要是没有电，就不会有现代工业。 e.g. He was having a meeting with his students; otherwise he would have come. 他当时正与他的学生进行讨论，否则的话就来帮我们

22、了。 e.g. He felt very tired yesterday, or he would have attended the party. 他昨天很累, 不然他就参加那个聚会了。 1. 通过教师引领，帮助学生学会在语境中学习词汇和短语。 Suggested answers:1.have been sold2.Quantities of students A quantity of students result in“趋向”“照顾，护理”1. The sort of dance they perform varies, but tends to folk style.2. It te

23、nds to rain a lot here in spring.1.学生是否能在语境中灵活运用相关词汇。DELC3 深度加工知识Step 3Practice（练习）(10 mins )I. 根据下列各句句意及所给单词的首字母或汉语提示，写出各单词的正确形式。1. A large q_ of rice is badly needed here.2. Students are from a wide r_ of backgrounds.3. She studied hard, and in c_ she passed the exam.4. The park attracts 4 million

24、 visitors p_ year.5. What sort of _ (燃料) do these machines need?6. The _ (数据) is still being analyzed. So, dont be so worried.7. The earthquake was a terrible _ (大灾难).8. A rainbow is a natural _ (现象) especially after a heavy rain.9. The _ (曲线图) of export indicates a new success of the company.II. 根据

25、句意, 选择适当的单词或短语填空1. climate; weather Its very difficult for her to get used to the dry and cold _ there.b. How we wish the sunny _ could keep up for another several days!2. come about; come acrossa. Ive never _ anyone quite like her before.b. Please tell me how the accident _. I am still in the dark.

26、3. quantity; quality a. Much of the land was of poor _.b. Buy vegetables in small _, for your immediate use.4. result in; result from The accident _ the death of three people.b. His failure _ not working hard enough.III. 每空一词, 使两个句子的意思相同。 It was very late, but they went on working. It was very late,

27、 but they _ working.2. We dont doubt that he can do a good job. _ he can do a good job.3. Their carelessness led to the failure. Their carelessness _ the failure.4. I dont know how the accident happened. I dont know how the accident _.5. The factory turns out a large number of paper products. The fa

28、ctory turns out_ _ paper products.6. Although they raise the price, hes going to buy the farm. Hes going to buy the farm _ they raise the price.Suggested answers:I.1.quantity2.range3.consequence4.per5.fuel6.data7.catastrophe8.phenomenon9.graphII:1.a. climate b. weather2.a. come across b. came about3

29、.a. quality b. quantity4. result in, result fromII. 1. kept on 2. There is no doubt that 3. resulted in 4. came about 5. a large quantity of 6. even thoughDELC4 学习评价Step 4Self-evaluation(自我评价)(5mins )I. 根据括号内的提示将下列句子翻译成英语。1.他的粗鲁导致了孩子和他的争吵。(result in)2. 他们不知道这个变化是怎样产生的。(come about)3. 他以优质的服务使生意逐步兴隆起来

30、。(build up)4. 邻居们让他们停止制造噪音, 但他们仍然继续。(keep on)5. 不用担心, 我们已经储藏了很多食物。(quantities of)6. 那个老人瞥了一下他的手表, 然后看了看天空。(glance at)Summary and homework:Today we have revised the contents of the last lesson and learnt some words and expressions concerning global warming. Todays homework is to practice more exercises after class.I.1.His rudeness resulted in the childs quarreling w