09高二英语重难点知识汇总——必修四Unit4

1、高二英语重难点知识汇总必修四 Unit 4studentyears重点单词1. represent vt. 代表；象征；描绘；陈述；体现；表现Yesterday, another student and I, representing our universitys association, went to the Capital International Airport to meet thisinternational students.(教材 P26)昨天，我和另一个同学代表我们大学的学生会，到首都国际机场迎接今年的国际学生。(1)represent , as/to be宣称,为：把,

2、描绘成sth to sb 向某人说明/ 传达某事(2)on behalf of 代表representative adj. 代表性的，典型的n. 代表；代理人(3)be representative of 是的代表/典型 Representing (represent) our school, Im glad to tell you something aboutthese activities.我非常高兴代表我们学校告诉你们有关这些活动的一些事情。to the You should represent your complaints about the new disciplinemanag

3、ement.你们应向管理部门说明你们对新规章制度的不满。 Is a questionnaire answered by 500 people truly representative (represent)of the population as a whole?500 人参加的问卷调查能真正代表所有民众吗？2. approach vt.& vi. 接近；靠近；处理，对付n.接近；靠近；方法；途径；路径；通道Tony approached Julia, touched her shoulder and kissed her on the cheek! (材 P26)托尼走近朱莉娅，摸了她的肩，

4、并亲了她的脸颊!approach sb for/about sth就某事与某人商量/交涉an approach to做某事的方法/途径；相似的事物(2)at the approach of 在快到的时候【比较】approach除了忌为 方法 之外，还后 接近 的思思。an approach to( 介词)的方法”。例：I appreciate the professorss new approach to teachinglanguages.我欣赏这位教授教语后的新方法。way构成 in the way 用这种方法“；the way to do/the way of (doing) sth(t

5、o 为不定式符号)做某事的方法 。例：Can you tell methe way to work out the maths problem? 你能告诉我做那道数学题的方法吗？method构成 with a method 用一种方法”；the method of (doing) sth做某事的方法”。例： We should improve our teaching method, with which we can make ourselves understood better.我们应该改善我们的教学方法，用这些方法，可以使学生更好地理解我们所教的内容。means息为 方式，方法 。单复

6、数向形，构成 by means of 通过 方法；the means of (doing) sth做某事的方法 “。 例： He succeeded by means ofperseverance.凭着坚韧不拔的毅力，他成功了。 The students approach their monitor for advice about ordering the meal.学生们找到班长就点餐征求意见。A All the approaches to the palace were guarded by troops.通往宫殿的所有道路都有军队把守。A As Teachers Day was_app

7、roaching (approach), our class decided to hold a partyto celebrate the important day for a change this year.随着教师节的临近，我们班决定今年举行一场晚会，以另一种方式庆祝这个重要的节日。【提示】表示 来临的表达有： be approaching, be drawing near, be around thecorner 。3. defence n. U保卫；防卫She stepped back appearing surprised and put up her hands, as if

8、 in defence.(教 材 P26)她后退了几步，看上去有些吃惊，并举起了手，好像是在自卫。in defence of为了保卫in ones defence 为,娜护；在的防备下defend v.防御；保卫；辩解；辩护保护某人/某物免自卫/为自己辩护defend sb/sth from/against(2) 一 ,一生受.伤害defend oneself against sth(3)defender n .后卫；防御者;拥护者；辩护者【比较】defend保卫；防御；辩护。使用范围广泛，对象可以是具体的，也可以是抽象的。guard守卫，保卫。指注思观祭、戒备，以免受可能的攻击或伤害。例：T

9、he PLA Navy guardsthe coastline of our motherland.中国人民解放军海军守卫着我们祖国的海月线。protect保护。利用各种手段，使用某些器具，尽力照顾或保护某人/某物使其免受危险或伤害等，常与 against 或 from 连用。例： Dark glasses are sometimes worn to protect the eyes from strong sunlight.有时人们戴墨镜是为了保护眼睛使其免受强光的伤害。 It is said that the murderer has employed a famous lawyer to

10、_defend (defend) him.据说那个杀人犯聘请了一位著名的律师为他辩护。2) All the people, men and women, young and old, were fighting against the floodin defence (defend) of their own homes.所有的人，无论男女老少，都在与洪水作斗争，保卫自己的家园。2、 重点短语1. in general = generally (speaking) 总的来说； 通常In general, though, studying international customs can ce

11、rtainly help avoid difficulties in todays world of cultural crossroads！ ( 教材 P26)但总的来说，在当今文化交融的世界，学习不同国家的习俗肯定能够帮助我们避免交往中的障碍！as a general rule 一般而言；通常on the whole 总的来说as a whole 就整体上来看in a word 总之，简言之in short 简言之 Generally (general) speaking, parents care more about their childrens health than about

12、their own.一般说来，父母关心孩子的健康胜过关心自己的健康。 On the whole, I am quite satisfied with the result.总的说来，我对这个结果很满意。 Is this true just in this country, or in the world as a whole?只是在这个国家如此呢，还是就整个世界来看都是这样？2. at ease 舒服；快活；自由自在The most universal facial expression is, of course, the smileits function isto show happin

13、ess and put people at ease.( 教材 P30 )微笑当属最普遍使用的面部表情，它的作用是表达快乐和安人心境。with ease 轻易地；毫不费力地feel/look at ease 感到 /看上去心情放松(1) put/set sb at ease 使某人放松do sth with ease 毫不费力地做某事take ones ease 休息；轻松一下(2)ease the pain 减轻痛苦 A smile is intended to make people at ease.微笑旨在使人们轻松自在。 We live in an age when more info

14、rmation is available with greater ease than ever before.在我们生活的这个时代，有更多的信息可以比以往任何时候都更容易获取。 Dont overwork yourself and take your (you) ease.不要过度劳累，休息一会儿。3. lose face( = lose ones face) 丢脸； 丢面子There are unhappy smiles, such as when someone “ loses face ” and smiles to hide it.( 教材 P30)还有不愉快的微笑，如当某人“丢了面

15、子”就会用微笑来掩饰。【提示】face 这里是抽象概念，意为“面子 ”，不用复数形式。lose courage 丧失勇气lose heart 泄气；灰心lose no time 刻不容缓lose ones heart to 爱上；钟情于lose ones life 丧生lose ones way 迷路lose sight of 看不见；忽略lose weight 减肥 When Tom failed to beat his opponent, he felt he had_lost (lose) face with his friends.汤姆没能打败对手，这让他感到在朋友面前很丢脸。 Rat

16、her than admit failure, Frank made a face in order to save his face.弗兰克为了保全面子，没有承认失败，而是做了个鬼脸。3、 重点句型、语法1. 动词不定式作后置定语The first person to arrive was Tony Garcia from Colombia, closely followed by Julia Smith from Britain.( 教材 P26)第一个到达的是从哥伦比亚来的托尼加西亚，随后紧跟着的是英国的朱莉娅史密斯。【句式点拨】当中心词是序数词或被序数词、形容词最高级等修饰时或前有ne

17、xt, only, last 等时，常用动词不定式作后置定语。动词不定式作定语用来修饰的词通常是抽象名词，常见的有：ability, chance, ambition, offer, anxiety, answer, reply, attempt, belief等。 Addams became the first American woman to_win (win) the Nobel Peace Prize in 1931 在 1931 年，亚当斯成为第一位获得诺贝尔和平奖的美国女性。 He is always the first to_bear (bear) hardships and

18、the last to_enjoy (enjoy) comforts.他是一个总是吃苦在前，享乐在后的人。2. be likely to do sth 可能做某事However, people from places like Spain, Italy or South American countries approach others closely and are more likely to touch them.(教材 P26)但是， 来自像西班牙、意大利或南美等国家的人会站在离别人很近的地方，而且很可能( 用身体 ) 接触对方。【句式点拨】sb/sth be likely to do sth likely 为形容词。该句式的同义句型：Its possible (for sb) toThere is a possibility that该句式的否定句型：sb/sth is unlikely to=It is likely that/that= It is unlikely that意为某人/某物可能不太可能o该句中没有的可能There is no chance/possibility of doing sthThere is no chance/possibility that