必修2Uni3(4)教师用新.doc

高中英语 必修二Unit 3 Computers 4 知识梳理1.in a way 典句观察：In some ways, its quite a good idea, but the high cost makes it impossible.The result should in no way be seen as a vaccine ineffective. I dont like the house in a way归纳总结（多种可能的）某一点，某一种in a way 在某种程度上 in some ways 在某些方面 in no way 绝不，一点也不：2.make up 组成;构成;编造;弥补;化妆典句观察:In this way, I can make up new moves. （补充；弥补）She spent an hour making herself up before the party.（ 化妆）Sixty students make up our class. （ 形成，构成）Society is made up of people of different abilities.（ 由组成）The criminal made up a story about where he was when the crime happened.（捏造）Please make up a new dialogue according to the text.（编造） 3. arise vi.出现；发生；起身，起床典句观察：How did this quarrel arise?这场争吵是由于何种原因引起的？A strong wind arose in the night.夜间起了大风。A great idea arose in her mind.一个好主意浮现在她的脑海中。He arose from his seat.他从座位上站起来。The price of wheat has risen/has been raised since the last summer.自从去年夏天以来，麦子的价格已经涨了/被涨上来了。归纳总结：(1)作“呈现；出现；发生”之意时，主语多为以下抽象名词：argument/problem/quarrel/question/movement(2)arise from由而引起，由而产生；从中产生比较：arise，arouse，rise，raise原形过去式过去分词v.ingarise(vi.)出现，发生，起因于arosearisenarisingarouse(vt.)唤醒，激起arousedarousedarousingrise(vi.)升起，起身，增长，上升roserisenrisingraise(vt.)举起，唤起，提高，饲养raisedraisedraising4. after all 毕竟; 到底; 终究 典句观察:So you made it after all! 你毕竟成功了！After all, what does it matter? 归根结底, 那又有什么关系呢？She should have offered to pay shes a millionaire, after all她应该主动提出付款,别忘了, 她是个百万富翁。归纳总结：1) 有“别忘了”的意思2) 放在句末, “虽然有前面说过的话”或“与预料中的情况相反”的意思above all 首先; 最重要的是at all 根本 (用于加强语气) 用于否定句, 疑问句和表示条件的从句first of all 首先in all 总共; 总计5. with the help of在的帮助下典句观察：The villagers are building their homes with the help of the PLA.在解放军的帮助下，村民们正在重建家园。I worked out the problem with the teachers help.在老师的帮助下我解出了这道题。I cannot help but admit he is right.我不得不承认他是对的。If you want another drink，just help yourself.你要是想再喝一杯就请自便。My friend helped me out when I lost my job.当我下岗时朋友帮我渡过难关。归纳总结：help sb. out帮助某人渡过难关/摆脱困境help sb. with sth.帮助某人做某事help(to)do sth.帮着做某事help oneself to自用(食物)；擅自取用cant help doing sth.禁不住做某事cannot help but do sth.不得不做某事，只得做某事6.Although I was young I could simplify difficult sums. Although 引导让步状语从句。 让步状语从句通常由 although, though, even though, even if , no matter, however, as, whatever等引导。 这些词都含有“ “即使” “虽然”“尽管”“哪怕”之意，从而使其引导的 从句与主句所叙述的事情相互对照，或者相互对立。 在复合句中，让步从句既可以放置在主句之前，这时强调主句所叙述的事情，而且主从句之间要用逗号；（也可以插在主句之中，这时从句的前后都要用逗号）；还 可以放置在主句之后， 这时强调的是从句中所述的事情，这时主从句之间可以不用逗号。 Everyone, however old he may be, should get out of the way when there comes a car.（从句在句中） The price increase will obviously be unpopular, although its unlikely to reduce demand.（从句在句尾） They are generous although they are poor. （从句在句尾） Although:语气比though 重，使用在正式英语中，总是放在从句之前，从句用正常语序，其叙述的内容通常是事实，而不是设想，所以从句不用虚拟的谓语动词： Although he was late, he stopped to buy a sandwich.Although she is English, she spoke fluent and rapid French.。He got a job although he had no qualifications. though：语气轻，使用在普通的口语中，既可以放置在从句的句首，这时从句用正常语序，也可以放在从句中间， 这时从句用“倒装”语序（作表语的名词，形容词，及副词可以放在though之前，名词前省去冠词）；如果引导的从句叙述的是事实，从句使用陈述语气的谓语动词，如果表示设想，则从句使用虚拟语气的谓语动词。 Though you dont like him, you can still be polite.（though在从句句首；从句表示事实，谓语动词用陈述语气） Though he is young, he has seen much of the human world.（though在从句句首；从句表示事实，谓语动词用陈述语气） Young though he is, he has seen much of the human world。（though 在从句中；从句表示事，实谓语动词用陈述语气） Some students cant pass the exams, hard though they try.（though 在从句中；从句表示事，实谓语动词用陈述语气） Though he were to ignore me, I will keep up the friendship between him and me.（从句表示设想，谓语动词用虚拟语气） Lets start, though it rain tomorrow. （从句表示设想，谓语动词用虚拟语气）关于although 和though a. 复合句中，如果although或者though引导的从句中的主语和主句的主语一致， 且从句中的谓语动词是be，则从句的主语和be可以同时省略： Effective medicine, though bitter to taste, cures sickness; honest advice, though unpleasant to the ear, benefits conduct. An American, though 80-year-old , is able to climb 50 floors. b. 在一个句子中，不能同时使用although / though 和but，but 连接两个并列句， 前者则连接复合句。 Although I try me best to do everything, I cant make her satisfied. Though you told him many times, he would refuse to take your honest advice. 但是，可以把以上两句改为以下两个用but 连接的并列句，意义不变。 I try me best to do everything, but I cant make her satisfied. You told him many times, but he would refuse to take your honest advice. c. though 还可做副词，表示对比，位于句中，或句尾，不用于句首 Its hard work; I enjoyed though. The drive is bad. There is no reason, though, to beet him. Gradually, though, it all came together. if 除了引导条件状语从句，表示“如果”“假使”外，还可以引导让步状语从 句表示“即使”“虽然” It doesnt make any difference if he doesnt come.（即使他不来，也没什么关系） If he has lot of bad fault, he is your father.（虽然他有很多缺点，也是你的父亲） even if 与even though 两者的意思和用法相同，表示“即使”“虽然”“尽管” “就算”； 副词even 修饰 if 和 though. even if 引导的从句叙述的即可以是事实，也可以是设想，使用陈述语气的谓语动 词 He will not reveal the news though he knows it. （从句表示事实，谓语动词用陈述语气动词） He will not reveal the news even if he knows it. （从句表示事实或者设想，谓语动词用陈述语气动词） He will not reveal the news though he know it. （从句表示设想，谓语动词用虚拟语气（省略了should / would） as,“虽然，尽管”注：引导让步状语从句通常要倒装A：表语提前（名词，形容词）Improbable as it seems, its true.Amazing as it may seem, Wednesday night was a quiet night.As popular he is an millionaire has not been able to get his on every thing.(USA)Boy as he is, he likes to play with girls (单数可数名词前的冠词要省略)B：动词提前，动词有助动词或者情态动词Fail as I did, I would never give up.Come as you may, you will never meet him.C: 状语提前Fast as you run, you cant catch up with a car.Much as I like Pairs, I couldnt live there. whatever, whenever, wherever, whichever, whoever, however，是由ever分别与 wh类疑问副词合成，意思是“不论”，“不管”，引导让步状语从句，意思 和用法分别等同于 no matter what, no matter when, no matter where, no matter which, no matter who , no matter how, 前者用于书面语，后者多用于口语; 这些词引导的 从句既可以放在主句之前，这时从句和主句之间用逗号隔开；也可以放在主句之 后，这时主句和从句之间不用逗号 Whatever you do, dont touch this switch. Whenever he is unhappy, say or do nothing to trouble him. Whichever road you take, the distance is much the same. Whoever breaks the glass, he must pay the full price for it. People always seem anxious to make more money however they are rich. no matter what, no matter - 等六个连词和对应的whatever 等六个连词用法和意 思一样。 The distance , no matter which road you take, is much the same. He, no matter who breaks the glass, must pay the full price for it. 注：no matter - 等引导的从句中， 有些成分可以省略，句子意思不变 He often gets up early to read English in the morning, no matter what the weather 典题精析单选：IThe chair is ; move it, please. (DHX)A. in a way B. in the way C. on a way D. on the way2.Zhang Hua is _ the way to _ an engineer. (DHX)A. on; become B. in; becomingC. on; becoming D. in; become3.A great man shows his greatness_ the way treats little men. (DHX)A. under B. with C. on D. by4.American Indians _ about five percent oiI U.S. population. (DHX)A. fill up B. bring up C. make up D. set5.Every time he is late, hell an excuse. (DHX)A. take up B. give up C. send up D. makeJ6.When he worked in the factory, he liked to _workers there. (DHX)A. make fun of B. make money fromC. make friends with D. make friend with7.Everybody in the village likes Jack because he is good at telling and _ jokes. (DHX)A. turning up B. putting up C. making up D. showing up8. Many relevant problems when prices of daily good _ sharply, which is beyond the ordinary peoples buying capacity. (DHX)A. rise;arise B. raise;arise C. arise;rise D. arise;raise9.Last year the advertising rate _ by 20 percent. (WHX)A. raised B. arose C. aroused D. rose10.Why are you so anxious? It isnt your problem _(WHX)A. on purpose B. in all C. on time D. after all11.We should let her go on holiday alone,_she is 15, and not a child any more. (WHX)A. In all B. At all C. Above all D. After all12._John, I have made great progress in my English study. (WHX)A. Under the help of B. On the help of C. For the help of D. With the help of 能力提升阅读（WHX）An ape has a larger brain than any animal except man, though it is much smaller than a mans brain. Apes all belong to the hot countries of the worldtropical Africa and Southeast Asia. The gorilla is the largest of the apes. He is as tall as six feet when standing upright. Many people think that gorillas are very fierce. They are often described as standing upright like a man, beating their fists and roaring. In their home, in the forests of Cetral Africa, however, they are not at all like this, They are peaceful animals and never use their great strength unless attacked. Even then, they retreat if they can. Gorillas have black faces and long, black, hairy coats. They feed during the day on plants and fruit. At night the old male often sleeps on the ground at the foot of a tree, while the others each make a sleeping platform in the tree bending the leafy branches. Besides this, gorillas climb trees very seldom.1. Apes live in . A. different parts of the world B. the cold countries C. South America and Africa D. the countries of Africa and Southeast Asia 2. An apes brain is . A. as large as a mans brain B. a lot smaller than a mans brain C. larger than that of any other animal including manD. a lot larger than a mans brain3. A gorilla is about six feet tall when he . A. stands on his legs B. stand on his arms C. roars D. uses his great strength 4. All gorillas live on . A. vegetablesB. leaves and grassC. plants and fruitD. rice5. During the night gorilla usually sleep in trees except . A. the old female gorilla B. the old male gorilla C. the young gorillas up to six years oldD. the baby gorillas 随堂小测(三智题库HX) 短文改错假如英语课上老师要求同学们交换修改作文，请你修改你同桌写的以下作文。文中共有10