1、Unit 2 The environmentReading教案2l Thoughts on the design本课时是Reading 部分的第二课时，主要是对于学生课后所准备的辩论的展示、文章内容的复习以及课文语言点的处理。对Reading文章部分所涉及的一些语言上的难点和重点先进行梳理和罗列，后设有相关的活动和练习帮助教师指导和组织学生对知识点进行有效巩固。l Teaching aimsAfter learning this section, the students will be able to：1. Apply their understanding of a debate to p
2、ractice.2. Have a review of what they have learnt in Reading.3. Master some new words, phrases and language points.l Teaching proceduresStep 1 Presentation timeAsk the students to present their prepared debate.Explanation辩论的展示是为了确保学生在对文章理解的基础上，能够活学活用，同时也给学生提供了口语表达的机会。Step 2 Revision of ReadingAsk th
3、e students to try to repeat opinions and suggestions of two professors.Explanation由学生复述文章中主要观点，一方面唤起学生对文章内容的记忆，另一方面学生藉此熟悉文中出现的一些短语及词汇，并且训练了学生的语言组织能力。Step 3 Language Points1. I am talking to you today about the way large areas of the world are damaged by industrial waste.the way 是先行词，后接一个定语从句，way后面的关
4、系词that/in which可以省略。 I dont like the way_you speak to her. (A)A that B which C in that D where What surprised me was not what he said but _ he said it . (C) A. the way B. in the way that C. in the way D. the way which2. In addition, many sea creatures are being wiped out by fishing boats.in addition
5、 (to sth./doing sth.) =as well as; besides 除之外；另外In addition, there is one more point I would like to make.In addition tothe sandwiched, Aunt Mary gave us cookies to bring to the picnic.wipe out destroy completelyThe deadly disease almost wiped out the entire population. clean something using a clot
6、hCan you wipe out the inside of the coffee pot?3. These boats catch large number of fish without giving them time to lay eggs. lay vt.放置；产卵，下蛋Please lay the book on the desk. 请把书放在桌子上。 lie-lied-lied-lying vi.撒谎lie-lay-lain-lying vi. 躺，卧；位于lay-laid-laid-laying vt.放置；产卵 I always feel relaxed when I _i
7、n bed, listening to music. Would you please _ the books on the table? You should always be honest and never tell_ to your friends. Cuckoos(布谷鸟) _eggs in other birds nests. Keys: lie; lay; lies; lay4. This will have a lasting effect upon the number of fish left for us to eat. have a positive/good/dee
8、p effect on sth. have a negative/bad/side/effect upon sth.effect n. 影响affect v. 影响effectiveadj.有效的 The conference has been help to discuss the effects of tourism _ the wildlife in the area.(B) A. in B. on C. at D. with5. The worlds population has grown to more than six times what it wasin 1800. 倍数的表
9、达方式： times + as + adj./ adv. + as + times + the comparative degree of adj./ adv. + than + times + the width (size, length, breadth, level, value, velocity) of + times + what 从句The box is four times as light as that box.The cotton output was four times greater than that of 1996.Earth is 49 times the
10、size of the room.TheYangtzeRiverisalmostthree times whatthePearlRiver is.这座新楼是那座旧楼的四倍高。 The new building is _ _ _ _ _ the old one. The new building is _ _ _ _ the old one. The new building is _ _ _ _ _ the old one. The new building is _ _ _ the old one is .(Keys: four times as high as; three times h
11、igher than; four times the height of; four times what)1. At a rough estimate, Nigeria is _Great Britain. (D)A. three times the size as B. the size three times ofC. three times as the size of D. three times the size of 2. It is reported that the United States uses _ energy as the whole of Europe. （D）
12、A. as twice B. twice much C. twice much as D. twice as much6. My suggestion is that we should try to cut back on production and reduce the amount of things we make and buy. suggest作“建议”讲时, 与suggestsuggestion有关的主语从句、表语从句、同位语从句均用虚拟语气，should可省suggest还可作“暗示”、“表明”“使人想起”等解，这时主语往往是物，后面接宾语从句时，其谓语动词要用陈述语气。 1
13、. I suggest that a doctor _ immediately. (A)A. be sent for B. was sent for C. must send for D. should send for2. His red face suggested that he _ a lie. (A) A. told B. tell C. tells D. telling3. My suggestion is that he_ a few people to help them. (C)A. sends B. sending C. send D. be sent cut back o
14、n：reduceTo save money, we should cut back on our spending.Many companies are cutting back on staff at the moment.7. It is obvious that you are very concerned about the present situation of our environment. It is obvious that 很显然，it作形式主语，that引导主语从句。 be concerned about /with 对关心He expressed his concer
15、n to her. n.The boys poor health concerned his parents. V.使担心The letter is concerned with export goods.关于，涉及He is concerned for/about her safety. 担心He is very concerned with/about her. 关心8. Other important phrasesExplanation以上是对于文章中出现的重点和难点的讲解，并通过讲练结合的方式，帮助学生掌握相关知识点。Step 4 ExercisesFinish Part E on P25Explanation练习部分的设置，促进学生对词汇的巩固。