新概念第三册第17课(精美ppt课件).pptx

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1、NCE Lesson 17The Longest suspension bridge in the world (1),Words and expressions,1. suspension n. 悬，挂，吊V？suspend【记】 sus + pens + ion（under） (hang) （N.后缀） 在下面挂着悬，挂形近词：suspense n. 悬念；悬疑2. agreeable a. conforming to the feelings Phrases: agreeable climate agreeable environment同义词：comfortable delightfu

2、l pleasant jolly,3.situation n. 地方，地点 （a condition or position in which you find ）【同】place：any area set aside for a particular purpose tract：an extended area of land locality : a surrounding or nearby region l()klt,Question Time!,Which picture is matching with one of those words,place，tract and loca

3、lity ?,locality,place,tract,4. locate v. 位于 n.? & a.?【记】loc + ate （place）（v.后缀） 在某个地方位于【同】site，lie，situate，stand5. immortal a. not subject to(suffer) death 永生的 【另】n. a person of enduring fame (eg. an author) im + mortal（反义前缀）（终有一死的）不会死的永生的【混】immoral 不道德的,6.span n.跨度【拓】lifespan 寿命 wingspan （plane）翼展

4、time span 时间跨度7. Cable n. 缆索Cable television有线电视Cable News Network(CNN) 美国有线电视新闻网Digital television,8.contrete n. 混泥土 con + trete(together) (make) 把多种原料放在一起制造出来的东西9.length n.长度a.？宽度？深度？跨度？long，wide/width(wd), high/heightdeep/depth, span,10.estimate v.估算 n.Review：大致的估算 ？ crude estimate【拓】guesstimate

5、推测（informal） underestimate overestimate11. Capacity n. ability to perform or produce 承受量【用】carrying capacity 承载量 memory/storage capacity存储量 vital capacity 肺活量,12.immensity n.巨大a？Immense表示大的词汇？big，vast，large，huge，greatWhat are their differences?,big，vast，large，huge，great, immense,immense表示“特别大的”意思,其内

6、涵是无法测量A：big，口语，和large都可表示事物/面积的大小Eg.Our factory is a big/large one. 我们的工厂很大。B：在表示重量、身高大或长大了时，只能用big。Eg. The box is too big to carry.C.在表示数量时，用large, 不用big。Eg. A large number of people came from all parts of the country to see the exhibition.,D. great “大、伟大的”，多用于抽象意思，带有一定的感情色彩。 Eg. There have been ma

7、ny great presidents in American history.E.在表示抽象意思时，有也可用big, 但great更为正式。Eg.Great/Big changes have taken place in our country in recent years. F. vast 广袤无垠的,面积广阔的。Eg. a vast forest, a vast sea, a vast desert, vast darknessG.huge指巨大的，往往指体积。Eg. a huge stone, a huge buildingPs：desert dezt dessertdzt,Exer

8、cise,1.MartinLutherKingis a _ person, for he was seenas aheroofdemocraticmovement.A. big B. great C. huge D. large2. What a _ forest it is!A. large B. big C. huge D. vast()3.Onediseaseonouragendacauses_sufferinginlargepartsof theworldA. great B. large C.immense D. big,B,D,C,13.elegant a.优雅的，别致的n. ?

9、elegance,14.faintly ad. to a faint degree or weakly perceived微细地 a？fuzzyfz 模糊的，失真的weakdark 模糊的，忧郁的vagueveg 模糊的，含糊的,NCE Lesson 17The Longest suspension bridge in the world (2),Discussion of the passage,No.11.同位语2.whom 定语从句N0.21.as 补足语，修饰it2. of + which定语从句3. flow 流淌,No.41. , which 非限制性定语从句。Q：Can we u

10、se that instead of which here? Why?2. jointo【同】linkwithattract to 把牢牢系在relate to 与相关，涉及到relate with 与建立联系辨析题What he said doesnt relate well with the facts.,No.3 1.though 让步状语从句2.by no means3. for 原因状语4.be named after sb. 以某人名字命名,Choose relate with or relate to to the blanks.1.What he said doesnt _we

11、ll _the facts.2. He _ the facts of the case _ journalists.,No.51.Of 4,260 feet 后置定语，修饰a span,No.61. sothat 结果状语从句2.take into account=considerNo.71.made of steel and concrete 过去分词短语，作后置定语No.81.of over 100 feet of+介词短语，作后置定语,No.91.alone =only, just 仅，单单2.take sometime to do sthNo.101.above介词短语放句首，作地点状

12、语No.111. from + which 定从2. be suspended fromThey support the cables which the bridge has been suspended from.Q:介词都可以提前，再加关系词吗？,定语从句中，介词提前的情况,关系代词which， whom修饰的先行词是宾语，介词放后面，更加正式。Eg. Mary is the girl whom I borrowed a book from. =Mary is the girl from whom I borrowed a book. Is this the room that/whic

13、h he once lived in? = Is this the room in which he once lived?1. where= in/on which Eg. This is the room where/ in which he livesI can see the playground where/on which I joined the Party.,2. when =on/in/at whichEg. I still remember the year when/ in which I joined the Party. I still remember the da

14、y when/ on which I joined the Party.I still remember the hour when/ at which the rocket was launched.3.why =for whichEg. This is the reason why/ for he was killed,但是，下列几种情况下，介词不能提前,1. 用who代替whom，用that代替which时，介词不能提前Eg. He is the boy who I learned English from This should be the place that Tom sent t

15、he parcel to. 2.当whom，which省去时，介词不能提前。Eg. Is he the boy you went there with? This is the room he lived in.3. 当whom, which作为含有介词的动词短语的宾语时，介词一般不能提前Eg. You are the intelligent man whom I m looking for. This is the program which he listened to.,No.121.contain v. having sth. insideNo.131. it has been est

16、imated that强调句2. be packed with : fill in 3.a third of 的怎么说 , ,？two thirds, one fourth= a quarter one second=a halfone eighths,No.141. despite 引导让步状语从句2. fulfilling现在分词短语，作句子的状语。,让步状语从句 尽管/即使也；“退一步说”主要引导词有：although，though，while，as，even if， even though，whereaseven if ,even though 细微差别even if： 即使，就算，哪怕，假设性的even though：虽然，尽管，真实的Eg. For my part, I plan to go to the party even if you decide not to go He went out even though it was raining.,