Unit 1 Nature in the balance Extended reading教案 -（2020）新牛津译林版高中英语必修第三册.doc

1、Book 3 Unit 1 Nature in the balanceExtended readingNews that Matters: pollution in NorgateTeaching AimsBy the end of this section, students will be able to:1. understand the TV show transcript about a polluted city;2. summarize the main viewpoints of the host and three guests;3. come up with their o

2、wn ideas about the relationship between economic development and environmental protection;Teaching important points1. To read and understand the transcript;2. To write about what the world will be like 20 years from now.Teaching ProceduresStep 1 Lead-in 1. Students brainstorm different kinds of poll

3、ution. 2. Students think about the pollution they have met or heard of before.Step 2 Reading1.First readingThe teacher has students answer the following question.What kinds of pollution do you think the cities have now? 2.Second ReadingThe teacher has students finish Part A on Page 12.Summarize the

4、main viewpoints of the host and three guests. 3.Third ReadingThe teacher has students find the supporting details of the three guests and the host.Step 3 knowledge pointI.words1.smog/smog/ n. U,C雾霾，烟雾 拓展：smog是由smoke和fog两个词各取一部分缩合而成的一个新词。如：brunch 是由breakfast和lunch缩合而成，意为“早午餐,motel是由motor和hotel缩合 而成，意

5、为“汽车旅馆”。 2.colour 熟词生义vt.给着色,给染色 例句：The rising suncloure the skybright re. 冉冉阳把天空染得通红。3.irresponsible adj.不负责任的 单词拆解：前级ir-(不，非) + responsible (adj.有责任)一 irresponsib4.economic/iskanomik/ adj.经济的，经济上的；可赚钱的 词链：economy(/ikonami/ n. C经济; C,U节约) economist (/ikonamist/ n. C经济 学家)economic benefit/benifit/ n

6、. U,C优势；益处；成效 economic benefits经济效益 economic development经济发展 5.golden rule n. usually sing. 成功之重要面则 例句：The golden rule in tennis is to keep your eye on the ball. 打好网球的重要原则是眼要紧盯着球。 6.former/fo:ma(r)/adj.昔日的,前任的；以前的,从前的 the former前者(反)the latter后者 例句：If I had to choose between fish and chicken, Id pre

7、fer the former. 若让我在鱼肉和鸡肉之间选择，我更喜欢前者。7.official /afifl/ n. C官员,要员adj.公务的；正式的,官方的 officially adv.正式地,官方地 例句：Ive been officially invited to the wedding. 我正式获得邀请去参加这场婚礼。8. poverty/povati/ n. U贫穷,贫困;U,sing. 贫乏 live in poverty生活于贫困之中 lift people out of poverty帮助人们摆脱贫困9.one and the same意为“同一个(人或物)”,表示强调。

8、例句：I was amazed to discover that Muhammad Ali and Cassius Clay were one and the same. 我惊奇地发现穆罕默德阿里和卡修斯克莱是同一个人。10.inseparable /mseprabl/ adj. (与某事物)不可分离的,分不 开的;形影不离的 构词法：inseparable是由否定前缀in-(意为不,非,相反 的) + separable(adj.可分开的, 可分隔的,可分离的)构 成的形容词。11.large amounts of大量，许多 a large/ great good small amount

9、of +不可数名词大量的/ 少量的(作主语时，谓语动 词用单数形式) large/small amounts of+不可数名词大量的/少量的 (作主语时，谓语动词用复数形式) the amount of +不可数名词的总数(作主语时，谓语动词用单数形式) 12.chemical /kemikl/ n. C化学制品adj.化学的;化学作用的 the chemical industry 化学工业 chemical experiment化学实验 chemistry/kemstri/ n. U化学 chemist n. C化学家；药剂师 II. sentence 1.wish +虚拟语气的宾语从句教材

10、例句I wish we could also do something to help.我希望我们也能帮点忙。 析：wish后面接that引导的宾语从句，从句谓语动词形式如下：(1)与现在事实不符，从句用一般过去时(be动词用were);(2)与过去事实不符,从句用过去完成时;(3)与将来事实不符,从句用would/ could/should/might + do。I wish I were a bird flying high in the sky.我希望我是一只高飞在天空的鸟。 (虚拟现在的情况)I wish I had followed your advice in the last c

11、ompetition.我真希望在上次比赛中我采纳了你的建议。(虚拟过去的情况) I wish you would not be stubborn any more.我希望你以后不再固执。(虚拟将来的情况)2.in the last/past.作时间状语教材例句 In the last 500 years, over 300 species of land animals have gone extinct.在过去的500年里,超过300种陆地动 物已经灭绝。析：(1) in the last/past.在过去的时间里,也可以表述为during/over/for the last/past.(2

12、) in/during/over/for the last/past.在句中作时间状语,谓语动词用现在完成时或现在完成进行时。In the last few years, China has made great achievements in environmental protection.在过去的几年里,中国在环境保护方面取得了巨大成就。 拓：常与现在完成时连用的其他表达: since+时间点; since then; ever since; recently; lately; so far; by now; up to now3.倒装句:so+助动词/情态动词/系动词be+主语教材例句

13、：As the human population continues to grow, so does the effect we have on animals.随着人口的持续增长,我们对动物的影响也在不断增加。析：so/such引导的倒装句: so/such+助 动词/情态动词/系动词be+主语”, 表示前面所说的肯定情况也适用于后者，意为“也是这样”。 拓：在so/such.that.结构中,当so/such.置于句首时，其所在句子部分倒装，that.不倒装。So hot a day was it that they all went swimming.天气如此热,他们都去游泳了。Suc

14、h a tough problem is it that I find it really hard to handle.这是一个如此困难的问题以至于我发现它真的很难解决。 链：(1)neither/nor引导的倒装句: neither/nor+助动词/情态动词/系动词be + 主语”,表示前面所说的否定情况也适用于后者,意为“也不” (2)如果前面句子的谓语既有肯定又有否定，或者形式不同，就用句型 So it is/was with.或It is/was the same with.(3) so/such +主语+助动词/情态 动词/系动词be,表示说话人同意对 方的观点,意为“的确如此”。

15、4. It is ones duty to do sth.做某事是某人的责任。教材例句：Its our duty to protect our environment while aiming for eco- nomic development.我们的责任是保护环境,同时着眼于经济发展。 析：在句式It is ones duty to do sth.中, it是形式主语,后面的不定式短语是真正的主语。It is our duty to keep the classroom clean.保持教室干净是我们的职责。 链：能用于It+be+名词词组+to do sth. / that从句”的名词词

16、组还有a pity, an honour,a good thing, a fact, a surprise等。 It was a pity that you overlooked such an important detail.真可惜你忽视了这么重要的细节。 Step 4 Appreciation The teacher has students work in pairs and answer the following questions.1. Whats the style of this TV show transcript?2. Whats the function of this

17、 style? Step 5 exercisesI.The teacher has students work in groups and finish Part B on Page 12.II.exercisesWord Practice1. The head office of the bank is in Beijing, but it has _(分部)all over the country. 2. He is likely to go abroad for_ (更进一步的) study for the following four years. 3. With the touris

18、t trade booming, the_(居民) of thi area are paying more attention to the protection of nature. 4. The _ (委员会) members are for the plan he puts forward.5. My sister Lucy is_ (完全地) different from me in looks, although we are twins.6. Whenever or however you take notes, keep in mind that note-taking is a

19、 selective _(过程). 7. It remains to be seen whether these newly established _(政策) can be put into practice.8. This advertisement is a typical example of their marketing _(策略). 9. People in this area were hit by hunger and _(贫困)10. When Helen criticized me, Chris came to my_(辩护).11. _(官方的) reports sug

20、gest that the number of households with three generations living together had risen from 325,000 in 2001 to 419,000 in 2013.12. I was walking in the street yesterday evening when I suddenly ran into my _(以前的) teacher.答案：1. branches 2. further 3. residents 4. committee 5. entirely 6. process 7. polic

21、ies 8. strategies 9. poverty 10. defence 11. Official 12. formerGrammar filling1. Plants are very important. That is_they can make food with the help of air, water and sunlight.2. He didnt attend the meeting last night. Thats _he doesnt know our plan for the picnic.3The reason_ you got into a panic

22、(恐慌) was_ you hadnt been well prepared for what would happen.4.The reason _his anger was_he lost his cellphone. 5.The reason_ he gave for his not coming to the party was his car broke down halfway. 答案： 1.1because why why; that for; that that/which; that Step 6 Homework1. Polish up the writing.2. Finish the workbook. 第 6 页 共 6 页