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1、课题名称M5U2课型Reading2课时3【学习目标】The main purpose of this lesson is to make Ss better understand the text and master some important language points.【学习重点】1. How to make the students have a better comprehension of the text.2. How to help the students be familiar with the language points.【学习难点】1. Get the st
2、udents to grasp the usage of some important words and expressions.2. Get the students to practice mastering the language points.【学法指导】1. Learn some phrases by heart. 2. Learn the usage of some words and phrases through self-study and practice.【知识链接】 【导学过程】（学习方式，学习内容，学习程序，问题）导学留白课前自主学习预习导学（10分钟）读课文找出
3、下列短语：1._ 自由发言 2. _ 此外， 另外3._ 扫除，消灭 4. _削减，减少，缩减5._ 对关心 6. _ 四处打听；多方询问7. _ 砍倒 8 _对负责9. _ 用完；耗尽 10._ 只要11. _（使）变得；翻译成 12._的关键/答案课中合作探究展示导思（25分钟）一，翻译文中重点句子：1 此外，捕捞船正在将大量的海洋生物赶尽杀绝。2 这些捕捞船捕捞大量的鱼类，根本不让他们有产卵的时间。3 目前的世界人口与1800年相比已经增长到那时的六倍多。4 我的建议是，我们应当削减生产，减少制造和购买物品的数量。5 我们所制造的垃圾数量正在变成一个大问题。6 很显然，你对我们的环境现状
4、很担忧。7 作为一名经济学家，我常常被人视为环保反对派。8 但有一点我非常赞同：循环利用或许是对两者都有利的关键。二，自学下列知识点：1. open the floor for discussionthe floor意为“发言权”。又如：After they each had said a few words, Professor White took the floor. 他们各自说了几句话后，怀特教授开始发言。2.large amounts of poisonous chemicals (P22)the amount of things we make and buy (P22)the a
5、mount of rubbish (P22)the amount of pollution (P23)amount n. 总数，数量 (常与不可数名词连用。) +Cn.+Un.+Cn./Un.many, a great/good many, a large/great number of/numbers ofmuch, a great deal of, a large amount of, large amounts ofplenty of, a lot of, lots of, a large quantity of, large quantities of, a mass of, mass
6、es of3. grow to “增加到”。类似的还有increase to, rise to, climb to 如：The number of students at the college has grown to over 5,000. 这所学院的学生数已经增长到 5,000人。The price has increased to an unbelievable number. 价格攀升到令人难以置信的水平。grow by “净增了”，类似的表达 increase by, rise by等。 如： Sales of new cars in that country grew by 20
7、 percent this year. 那个国家今年的新车销售量增加了百分之二十。4.The worlds population has grown to more than six times what it was in 1800. 1) 整数 times 比较级than2) 整数times as 原级as3) 整数times 名词（the size/width/length/height.）_这座新楼是那座旧楼的四倍高。(1) The new building is four times the height of the old one.(2) The new building is
8、four times as high as the old one.(3) The new building is four times higher than the old one.5. My suggestion is that1）表示“建议,要求,命令”等意义的名词如suggestion, advice, order, requirement, request, demand等作主语时,其后表语从句中的谓语常由 “should + 动词原形”构成，should可省略。The advice that the teacher gave was that the students (shou
9、ld) go to bed early during exam time. 老师提出的忠告是同学们在考试期间应该早点上床睡觉。2）suggest, advise, require, order,demand等动词后接的宾语从句时，从句也常用“should+ 动词原形”作谓语,should可省略。 如：I suggested that John (should) phone home before he made a decision. 我建议约翰在作出决定之前应该先打个电话回家。我建议他马上动身。 I advise that he (should) go at once. 6. cut bac
10、k on“削减,缩减”,相当于cut down onTry to cut back on foods containing too much fat and sugar. 要尽量少吃脂肪和糖份含量过高的食品。After the big job was finished, the builder cut back on the number of men working for him. 这项大工程完成以后,建筑商削减了工人总数的三分之一。7. concern (vt.) 与有关；引起的兴趣（关心）This letter does not concern you.这封信与你无关。The prin
11、cess marriage concerns all the people in the country.公主的结婚引起国内所有人的关心。be concerned about/for/over 担心;关心I was very concerned about his illness.我很担心他的病。 He is much concerned for her safety. 他很挂念她的安全。be concerned with 与有关 The story is concerned with fairies. 这个故事与神仙有关。 Concerning prep.关于The book deals w
12、ith questions concerning Chinese history.8. seeas “将视为”。After his first novel was published, he was seen as one of the most outstanding new authors of his generation. 在他的第一部小说出版后不久,他就被视为他这一代最杰出的新秀作家之一。9. the key to key“答案,解决办法”,后常跟介词to。如：In my opinion, the key to solving the problem is to cooperate
13、rather than argue. 依我的观点,解决这个问题的办法就是合作,而不是争吵。10. But I do agree that recycling may be the key to helping both sides. 请问此句中的do是 _助 动词，作用是 _强调谓语_ ， 还可以用 does或did 强调。He did come here yesterday.昨天他确实来过。课堂自主检测Do write to me when you get there.你到那儿后务必给我来信。 检测导练（10分钟）1 The young dancers looked so charming in their beautiful clothes that we took _pictures of them. （2003 上海） A. many of B. masses of C. the number of D. a large amount of2. As a result of destroying the forests, a large _ of desert _ covered the land. (20
