2014-2015学年高中英语课件：MODULE 4 PERIOD 3（外研版选修9）.ppt

1、课前自主学习课堂互动探究1n定义adj.确切的2adj.仪式的，礼仪的n礼仪3n文档；v.记录n记录片4v感染n感染Module 4 Languages of the World-reading practice Period Three Reading and Speaking&Cultural Corner 课件（外研版选修9）.单词识记definitiondefiniteceremonialceremonydocumentdocumentaryinfectinfection课前自主学习课堂互动探究5 n附件v附加6n病毒(pl.)7v生存n存活8v支配，统治n支配，控制9adj.濒临灭绝

2、的n绝种，绝迹10adj.多样的n多样性attachmentattachvirusvirusessurvivesurvivaldominatedominationextinctextinctiondiversediversity课前自主学习课堂互动探究1或多或少2than少于3from to 一代代4speaking从语言学上讲5一就6find 寻找，查出7average平均起来8more than仅仅9be down 降到10至少.短语天地more or lessfewergenerationgenerationlinguisticallyas soon asoutonnotoat leas

3、t课前自主学习课堂互动探究1 Languages are becoming extinct at twice the rate ofendangered mammals and four times the rate of endangered birds.信 息 提 取 twice/four times the rate of速度是的2倍/4倍的表达法。例句仿写 吉姆跑的速度是那个女孩的两倍。.句型搜索Jim runs twice the rate of the girl课前自主学习课堂互动探究2As long as enough children continue to learn a l

4、anguage,it will survive.信 息 提 取 as long as连 词 也 可 以 写 成 so long as，引导条件状语从句或时间状语从句，意为“只要的时候”。在as long as引导的条件状语从句中用一般现在时态表将来。例句仿写 只要你需要我，我就留下来。As long as you need me,Ill stay.课前自主学习课堂互动探究3The speech at which these viruses travel,and the damage they cause are frightening.信息提取at which为介词引导词，来引导定语从句，介词

5、由先行词决定。例句仿写 我从来也不会忘记我参军的那一天。Ill never forget the day on which I joined the army.课前自主学习课堂互动探究阅读课文，根据课内容选择。1According to the passage Reading and Speaking which of the following is TRUE?AThere will be no dialects by 2100.BThe rate of endangered birds is slower than that of mamm als.C2,500 people can sp

6、eak half of all languages.DThere will be no effect on the languages in our country.预读理解课前自主学习课堂互动探究2A healthy language.Aonly needs enough speakersBshould take in new speakersCwill die without old speakersDusually exists as a second language3What does“Im the last person that can speak our language”im

7、ply?AShe is the only person who uses the language.BShe is also proud except being afraid.CThe language is becoming extinct.DNo one likes to learn the language from her.课前自主学习课堂互动探究4Which of the following is NOT true according to the passage in Cultural Corner?AThe global communication is regularly t

8、hreatened by co mputer viruses and worms.BIn fact,a computer virus is a computer programme.CMellissa,Chernobyl，Lover letter and SoBigF all stand for computer viruses.DIn the future,there will be no computer viruses.答案 1.B2.B3.C4.D课前自主学习课堂互动探究1trend n(海岸、河流、山脉等)走向，方向；趋势，倾向；动向；流行，时尚；vt.倾向；伸向；折向；转向(tow

9、ards)the trend of modern living现代生活的趋势The mountains have a western trend.群山向西延伸。The road trends to the north.这条路是向北的。课前自主学习课堂互动探究【辨析】trendn.趋势，潮流，意思一个总的变化发展方向，既无确定的进程，也无确定的目标，它受某种外力影响而变化或变动。tendvi.易于，倾向于，往往，泛指有做某事的倾向，或趋向于某种状况的倾向。Young women are always interested in the trend of fashion.年轻妇女总是对时装发展的趋

10、势感兴趣。She tends to get angry if you annoy her.如果你使她烦恼，她容易(往往)发火。课前自主学习课堂互动探究年轻人喜好追求最新的流行款式。The youth like to.女装款式有向简朴发展的趋势。simpler styles in womens dress.【完成句子】follow the latest trend in fashionThere is a trend towards课前自主学习课堂互动探究2acquire vt.得，得到，获得；招致；学得(知识等)；求得；养成(习惯等)Gradually we acquired experien

11、ce in how to do the work.我们逐步获得了做这工作的经验。We must work hard to acquire a good knowledge of English.我们必须用功学习才能精通英语。We must cherish the experience acquired at the cost of blood.我们必须珍惜用鲜血换来的经验。课前自主学习课堂互动探究acquirement n获得(学识、技能、学到的东西)acquire knowledge of 求得的知识acquire a taste for.开始喜欢上【归纳拓展】【辨析】achieve强调付出

12、极大的努力，克服困难后达到目标acquire指经过不懈努力才获得的技术、知识等抽象的东西，也指养成习惯等attain正式用语，指经过艰苦努力才使人达到完美境地gain指需要做出比obtain更大的努力，往往指通过竞争获得某些有价值的东西obtain指经过努力或付出代价或经过很长时间才得到所需要的东西课前自主学习课堂互动探究She much knowledge of English from Mr.Chens lectures.In the second experiment,theya very clear result.After so many years of hard work,he

13、finallysuccess.She hassome very unpleasant habits recently.用achieve；acquire；attain；gain和obtain的适当形式填空acquiredobtainedachievedacquired课前自主学习课堂互动探究Those houses survived the earthquake.那些房子地震之后还残存下来。Only a few soldiers survived after the battle.经过这场战斗，只有几个士兵幸免于难。Mary survived Tom.Mary比Tom活得久。(Mary)的存活年

14、限超越了Tom的存活年限，意即Tom死时Mary还活在世上。3survive vt.存活；继续存在；幸存，幸免于难；比活得久课前自主学习课堂互动探究survival n生存，幸存；残存；幸存者；残存物，残存的风俗、习惯，遗风differential survival 差别生存a survival from ancient times古代遗物(遗风)the survival of the fittest 适者生存【翻译句子】在那次可怕的撞车事故中只有一个婴儿生还。他死后遗下妻子和两个幼儿。0【归纳拓展】Only one baby survived the terrible car crash.H

15、e is survived by his wife and two babies.课前自主学习课堂互动探究4infect vt.传染；传播；使受影响(with)，使受感染；【医】传染；侵染；感染She infected the whole class with her laughter.她的笑声感染了全班同学。The open wound soon became infected.裸露的伤口很快就受到了感染。【归纳拓展】infected adj.被感染的be infected with 感染，沾染上infection n感染；传染infectious adj.感染的；传染的课前自主学习课堂互动

16、探究她那快乐的情绪和爽朗的笑声感染了全班。Her cheerful spirits and bubbly laughter.船长的勇气感染了他的船员。The captains courage.【完成句子】infected the whole classinfected his men课前自主学习课堂互动探究Shes on attachment to the Ministry of Defense.她现在隶属于国防部。【归纳拓展】attach vt.附上，贴上；使依恋，爱慕(to)；使附属，使隶属be attached to 连在上，附属于；热爱，依恋attach oneself to依附；参加

17、(党派等)；热爱，依恋attach to认为有(重要性、意义等)；归因于；适用于Hell attach the label to your luggage.他会把标签系在你的行李上。5attachment n附着(物)；附属(物)，附件课前自主学习课堂互动探究He attached himself to the expedition.他参加了那个探险队。This hospital is attached to the medical college nearby.这个医院附属于附近的那所医学院。【完成句子】他对他的祖母有深厚的情感。He his grandmother他非常爱惜那台旧打字机。H

18、e the old typewriter.我在自行车上装了灯。I a lampthe bicycle.has a strong attachment tois attached toattachedto课前自主学习课堂互动探究On(the)average we receive ten letters each day.我们平均每天收到10封信。He smokes 20 cigarettes a day on average.他平均每天要抽20支烟。【归纳拓展】average(1)n.表示“平均，平均数”，是可数名词。The average of 6,8 and 10 is 8.6,8,10的平

19、均数是8。1on average平均；平均起来课前自主学习课堂互动探究An average of 10 students are absent each day.平均每天有10个学生缺席。(2)n.表示“普通，标准，平常”等(大致相当于“一般水平”的意思)，根据情况可用作可数或不可数名词。Toms work at school is above(the)average,Jims is below(the)average and Jacks is up to(the)average.汤姆的学习成绩属于中上水平，吉姆的学习成绩属中下水平，杰克的学习成绩属中等水平。课前自主学习课堂互动探究(3)vt

20、.平均He averages two trips a year.他平均每年旅游两次。(4)adj.表示“平均的”，通常只能放在名词前作定语，不用作表语，且没有比较等级。What was the average temperature yesterday?昨天的平均气温是多少？The average age of the boys in this class is fifteen.这个班男生的平均年龄为15岁。(5)adj.表示“一般的，普通的”，可用作定语也可用作表语。He is just an average student.他只是个普通的学生。课前自主学习课堂互动探究据说这个报社平均每天要

21、收到百来篇来稿。Its said that the newspaper office receivesnearly 100 articles a day.这些小孩平均年龄为10岁。The children10 years of age.这部电影没什么特别的只是部普通的电影。There was nothing special about the filmit was only.【完成句子】an average ofaverageaverage课前自主学习课堂互动探究(1)在from.to.结构中，如果to前后两个名词相同，则其前不需加冠词。如：from area to area,from day

22、 to day;from ear to ear,from mouth to mouth;from shop to shop(2)pass的相关短语get a pass及格pass along沿走，路过(pass down)(公共汽车售票员用语)往里走，往前走pass away度过，消磨时间；(时间等)过去；终止；消失，死亡2pass from generation to generation代代相传【归纳拓展】课前自主学习课堂互动探究pass by从旁边经过；时间逝去；忽视，遗漏；避开，躲开pass down(pass along)(世代)相传，传下来pass on前进，继续下去；(时间)过去

23、；传递；留给pass through经过，经历；修毕(课程)；刺过，刺穿pass to传给，转移给The road was so crowded that the car could not pass through easily.那条路十分拥挤，汽车难以通行。She passed her driving test not without difficulty.她好不容易才通过了驾驶考试。课前自主学习课堂互动探究These jewels have been passed down in our family from generation to generation for hundreds

24、of years.这些珠宝在我们家代代相传已有好几百年的历史了。【完成句子】The custom has been(传递)from generation to generation.passed down课前自主学习课堂互动探究1 Languages are becoming extinct at twice the rate of endangered mammals and four times the rate of endangered birds.语言正在消亡，其速度是濒临灭绝的哺乳动物消亡速度的两倍，濒临灭绝的鸟类的四倍。twice the rate of.速度是的两倍。英语中“倍

25、数”的常用表达方式：(1)用times表示倍数(一般限于包括基数在内三倍或三倍以上的数。表示两倍的数，一般用twice)。其句式有：课前自主学习课堂互动探究“.times形容词/副词的比较级than.”Line AB is three times longer than line CD.线段AB比(线段)CD长三倍。“.times as形容词/副词的原级as.”This table is three times as long as that one.这张桌子是那张桌子的三倍长。“.timesthe 名 词(如：size,height,weight,length,width等)of.”The

26、earth is 49 times the size of the moon.地球的体积是月球的49倍。课前自主学习课堂互动探究“.times more名词than.”He earns five times more money than he did ten years ago.他现在挣的钱比十年前挣的多5倍。“.times as many(或much)名词as.”He has got three times as many books as his sister.他拥有的书的数量是他妹妹的3倍。“.times what从句”The price of the meat is twice wh

27、at it was last year.肉价是去年的两倍。课前自主学习课堂互动探究“.timesup on(或over).”He is three times up on your age.他的年龄比你的年龄大三倍。“.by.times.”His speed is faster than mine by four times.他的速度比我的快4倍。“.times compared with被比较对象”The number of the students in our school has increased three times compared with 1992.与1992年相比，我们学

28、校的学生数量已增长了三倍。课前自主学习课堂互动探究“.times that of被比较对象”In this workshop the output of July was 5 times that of January.这个车间七月份的产量是元月份的5倍。(2)用分数、百分数表示倍数。The box is onethird bigger than that one.这个盒子比那个盒子大三分之一。课前自主学习课堂互动探究The new stadium being built for the next Asian Games will bethe present one.(2011陕西，17)Aa

29、s three times big asBthree times as big asCas big as three timesDas big three times as【高考在线】课前自主学习课堂互动探究 B句意：正在为下届亚运会而建设的新体育场将是目前这个体育场的三倍。本题考查倍数的表达法。比较常见的表达倍数的句型有：.timesasadj./adv.(原级)as.；.timesadj./adv.(比较级)than.；.timethe length/width/.of.。故选择B项。答案课前自主学习课堂互动探究2As long as enough children continue to

30、 learn a language,it will survive.只要有足够的孩子继续学习这种语言，那么这种语言就会存活下去。as long as连词也可以写成so long as，引导条件状语从句或时间状语从句，意为“只要，在的时候”。在as long as引导的条件从句中用一般现在时态表将来。They are content for the world to stay as it is,poverty,pain and everything as long as they are comfortable.只要他们生活过得安逸舒适，他们就满足于世界的现状：贫穷、痛苦及所有的一切。课前自主学习课堂互动探究As long as there is life，there is hope.只要有生命就有希望。As long as you keep it clean，I can lend the book to you.只要你不把书弄脏，我可以借给你。It doesnt matter what you do so long as you are happy.只要你高兴，干什么都行。【翻译句子】只要你开得小心，我就把车借给你。Ill lend the car to you as long as you drive carefully.