unit 4 Global warming- language points讲课稿.ppt

1、,Language points,1. consume vt. 消费；消耗；耗尽；吃完 consumer n. 消费者，顾客 consumption n. 消费(量)；消耗(量) time-consuming adj. 耗时的，费时的 (1) When you buy goods from a particular shop or company, you are one of its _. (2) Each year Americans _ a high percentage of the worlds energy. (3)The laws have led to a reduction

2、in fuel _ in the US. (4)Its just very _ to get such a large quantity of data.,consumers,consume,consumption,time-consuming,2. It is a rapid increase when (it is) compared to other natural changes.,compare vt. 比较; 对比 (1)compare.with/to. 把与比较 (2)compare.to. 把比作 My handwriting can not be compared with

3、my fathers. Shakespeare compared the world to a stage.,(1)He _(把她比作玫瑰) (2)He_ (拿他的相机与我的比较) (3) _ (与40年前相比)，standards in health care have improved enormously.,compared her to a rose,compared his camera with/to mine,Compared to/with 40 years ago,come about: 发生, 造成, 相当于happen With the use of electricit

4、y, great changes have come about. 随着电的使用, 种种大变化发生了。 _that he had his leg hurt? 他的腿伤着了，这是怎么发生的？,3. So how has this come about and does it matter?,How did it come about,4. 考点1 There is no doubt that .是固定 句型, 意为“毫无疑问”, that引导的 是同位语从句，用来进一步说明 doubt的具体内容。,考点2 it is . that .构成强调句型, 强调 的是主语human activity。强

5、调句型可 强调主语、宾语或状语。如： It is not who is right but what is right _ is of importance. (重庆2007) A. which B. itC. that D. this 解析: 将it is和that去掉后, 此句成为 Not who is right but what is right is of importance, 句子完整, 故此题是一个 强调句型。,B,5. random adj. 胡乱的；任意的 Because he was not listening, he made a random answer to th

6、e teachers question. 由于他没听讲，他对老师的问题乱答一通。,拓展： at random= randomly adv. 随机地，任意地,6. phenomenon n. 现象 eg: 雨雪是天气现象。 Rain and snow are phenomena of the weather. eg: 不应该简单地视未婚妈妈为一种社会现象。 Unmarried mothers should not be regarded simply as_.,pl. phenomena,a social phenomenon,7. subscribe to We subscribe to al

7、l the main medical magazines. 我们订阅所有主要的医学杂志。 He subscribes to the view that children benefit from being independent. 他赞同孩子们能从独立中获益这一观点。 He subscribed his name to the contract(合同). 他在合同上签名。 He has subscribed much money to the flooded area. 他向洪水灾区捐了大量的钱。,8. Some byproducts of this process are called “

8、greenhouse” gases, the most important one of which is carbon dioxide. 在这个过程中所产生的一些副产品就叫做“温室”气体，其中最重要的就是二氧化碳。 the most important one of which引导非限制性定语从句，是“介词(短语)+关系代词”形式，这种结构引导的定语从句常与先行词用逗号分开。出于表达需要，介词前可出现名词、代词或数词修关系代词。,Many people came, 5 of whom were kids. 很多人来了，其中五个是小孩。 He paid the boy 10 dollars f

9、or washing ten windows, _ hadnt been cleaned for at least one year. 他支付给男孩10美元，作为他擦了10块玻璃的费用。其中，大部分玻璃已经至少一年没有擦了。 Some good learning methods should be adopted to improve your study, _ _ is to discuss with your classmates. 其中最有效的方法之一是和你的同学进行讨论。,most of which,the most effective,one of which,9. Without

10、the green house effect, the earth would be about thirty-three degrees Celsius cooler than it is. 如果没有温室效应, 地球会比现在冷33。 这是一个含蓄虚拟条件句。 有时假设的情况并不以条件从句形式表示 出来, 而是通过一个介词短语或其他方式 表示。常用的词或短语有: without, but for, otherwise, or等。,e.g. Without your help ( = If we had not had your help), we could not have succeede

11、d 要是没有你的帮助, 我们是不会成功的。 He felt very tired yesterday, or he would have attended the party 他昨天很累, 不然他就参加那个聚会了。,10. quantity n. 数量; 量 用法归纳: a quantity of=quantities of 大量的 a large/small quantity of =large/small quantities of “大量的/少量的” There is a small quantity of water left in the bottle. 瓶子里还剩下少量的水。 Sh

12、e has quantities of clothes. 她有许多衣服。 My brother bought _ (大量的书),a large quantity of books,特别提示 a quantity of 和quantities of都可接不可数名词 或可数名词的复数形式。 但当a quantity of修饰名词作主语时, 谓语动词 用单数; 而quantities of修饰名词作主语时， 谓语动词用复数。 Huge quantities of oil _(be) shipped to Japan last year. 去年大量的石油被海运到日本。,were,根据汉语提示，补全下列

13、句子。 Large quantities of beer _ (已被售出) in this shop. 2. _ _ (大量的学生) crowded into the library.,have been sold,Quantities of / A quantity of students result in,11. tend vi. 趋向；易于；照顾 vt. 照顾，护理 tendency n. 趋势，趋向；倾向，偏好,The old tend to believe strangers easily. 老人更易于相信陌生人。 His views tend towards the extrem

14、e. 他的观点趋于偏激。 She is tending (to) her disabled sister. 她在照顾残疾的姐姐。 There is a _ among employers to hire casual staff. 雇主雇用临时职员有增加的趋势。,tendency,12. result in 结果; 致使; 导致 (lead to) result from 起于, 由于, 由引起 Acting before thinking always _. 做事不先考虑总会导致失败。 The accident _ the death of two people. 这场意外事故造成两人死亡。

15、 他的病是由于吃的太多了。 His illness results from eating too much.,result in failures,result in,13. On the other hand, there are those, like George Hambley, who are opposed to this view, believe that we should not worry about high levels of carbon dioxide in the air. 在另一方面, 还有一些人, 对这一观点 持反对态度, 像科学家乔治 汉布利, 他们认为

16、我们不必担心空气中高含量 的二氧化碳。,oppose vt. 反对; 反抗 opposed adj. 相反的，对立的 oppose sth./doing sth. 反对某事/做某事 be opposed to sth./doing sth.反对某事/做某事 我反对改变这条规则。 I oppose changing the rule. 他强烈反对这一计划。 He is strongly opposed to the plan. 我反对在河边建造工厂。 I am opposed to building a factory near the river. 这个年轻人反对向他的父母求助。 The yo

17、ung man opposed turning to his parents for help.,14. consequence n. 结果, 后果, 影响,face/accept the consequence 承担后果 in consequence = as a consequence 因此,结果 as a consequence of 由于的缘故,He broke the law, and now he must _ of his actions. It rained yesterday and _/ _ the match was canceled. She lives in Fran

18、ce, and _ _ speaks French fluently. He died _ his severe injury.,face the consequences,/ as a consequence,as a consequence of,in consequence,in consequence,/ as a consequence,(1) in a/an . state 处于的状态 (2) staten./thatclause /whclause 声明,说明 (3) statement n. 陈述，叙述；声明 stated adj. 指定的，预定的，宣布的 stateless

19、adj. 无国籍的,He has stated his support for the policy. By the time she got home, she was in a terrible state.,15. state n. 州，政府，形势，状态 v. 陈述，说明,(1)The roads are _(路况极差) after the severe winter weather. (2)_(据宣布)that all the people in the accident were killed. (3) 这个证人说他以前从未见过这个女人。 The witness stated tha

20、t he had never seen the woman before.,in a terrible state,It is stated,16. range n. 种类；范围 a wide range of 一系列 in/within range 在射程以内，在范围内 beyond/out of range 在射程外，在范围外 out of ones range 某人能力达不到的，知识以外的 The hotel offers a wide range of facilities and services. 酒店提供一系列设施和服务。 The children turned their ca

21、meras on anyone in range. 孩子们把照相机对准出现在视野内的随便什么人。,平均价格： an average price 地球的平均温度： the average temperature of the earth on average 平均地；通常；按平均值 above/below (the) average 高于/低于平均水平,17. average adj.平均的；普通的；正常的；平常的 n 平均数；平均水平,(1) His living standard is _ (低于一般水平) (2) _ in this class(这个 班级男生的平均年龄)is fiftee

22、n. (3) 400 people die of this disease _. 平均每年有400人死于这种疾病。,below average,The average age of the boys,on average,18. existence n. U存在；生存 【原句】Low-lying countries feel their very existence is in danger from rising sea levels. 位于低地的国家感到他们的生存面临来自海平面不断上升的危险。 exist vi. 存在，出现 existing adj. 现存的，现行的 existent a

23、dj. 存在的，实有的(较正式) The union exists in oder to protect your interests. 工会存在的目的是为了维护大家的利益。 _ needs to be changed. (现行的制度),The existing system,This is the oldest vase in existence. 这是现存的最古老的花瓶。 Pakistan _ as an independent country after the war. 巴基斯坦在战后就作为一个独立国家存在了。,came into existence,A large q_ of ric

24、e is badly needed here. 2. Students are from a wide r_ of backgrounds. 3. She studied hard, and in c_ she passed the exam. 4. The park attracts 4 million visitors p_ year.,uantity,ange,onsequence,er,根据句意及所给单词的首字母或汉语 提示, 写出各单词的正确形式。,5. What sort of _ (燃料) do these machines need? 6. The _ (数据) is stil

25、l being analysed. So dont be so worried. 7. The earthquake was a terrible _ (大灾难). 8. A rainbow is a natural _ (现象) especially after a heavy rain. 10. The _ (曲线图) of export indicates a new success of the company.,graph,fuel,data,catastrophe,phenomenon,II.根据句意, 选择适当的单词或短语填空 1. quantity; quality a. Mu

26、ch of the land was of poor _. b. Buy vegetables in small _, for your immediate use. 2. result in; result from The accident _ the death of three people. b. His failure _ not working hard enough.,quality,quantities,resulted in,resulted from,1. It was very late, but they went on working. It was very late, but they _ _ working. 2. We dont doubt that he can do a good job. _ _ _ _ _ he can do a good job. 3. Their carelessness led t