x_yy_b2_3.4.docx

襄阳一中 高一年级 导学提纲 英语必修二 编写：张媛芬 审核： 刘静 使用时间： 姓名： 考号：Unit3 Period4 Language Points学习目标掌握课文里的语言点、重难点句型及用法。学法指导1.研习导学提纲，掌握重点句型用法并能灵活运用于完成句子和作文。2.难以理解的地方以小组为单位，学科长组织组员讨论，也可以求助老师。自学自测1. I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.（教材P18）我发展缓慢，差不多两百年之后，查尔斯巴比奇才把我制成了一台分析机。before 引导时间状语从句通常译为 “在之前” “才” “就” “趁着” “还没来得及”Read the instructions on the bottle before you take the medicine.服药之前先看说明书。 It took two years before we saw each other again. 过了两年我们才又见了一次。 It didnt take long before the house was burnt down by the big fire.不久以后房子被大火烧毁了。Study hard before it is too late. 趁着还不晚，努力学习。He knows well what it takes to become an excellent manager and works hard on it.他深知要成为一名优秀的经理需要什么，并为之努力。【归纳拓展】It didnt/doesnt/wont take long before 不久以后就It wasnt/wont be long before【即学活用】（1）_ we take the final-term examination.(be)要不了多久我们就要期末考试了。（2）It took three months _his illness.（recover）三个月后他才病愈恢复健康。2. As time went by, I was made smaller.（教材P18）随着时间推移，我被做得更小了。句中as引导时间状语从句，意为“随着”。As spring draws near, its becoming warmer and warmer.随着春天的来临，天气越来越暖和了。As we grow older, we get wiser.随着年龄的增长，我们会变得更加聪明。【归纳拓展】as与with（1）as是连词，引导时间状语从句。As time went by, the city became more beautiful.随着时间的流逝，这座城市变得更美丽了。（2）with是介词，后接名词或代词构成with 短语或with 复合结构。With time going by, they became close friends.随着时间的流逝，他们变成了好朋友。With the wealth of the country increasing, more waste will be produced.随着国家财富的增加，更多垃圾将会产生。【即学活用】(1)As _, many new problems arise. (develop)随着社会的发展，很多新的问题也出现了。（2）With _，all of you have grown into big boys or girls.（go）随着时光的流逝，你们都长成大孩子了。(3)As the sun _，shadows spread across the courtyard.(sink)随着太阳渐渐落下，影子也扩散到整个院落。3. And my memory became so large that even I couldnt believe it! (教材P18) 我的储存量变得如此巨大，连我自己都不能相信！so+ adj./adv. +that如此以至于She was so angry that she said to her father she would not marry anyone who could not run faster than her.她非常生气，就跟她父亲说，她不会嫁给任何跑不过她的男人。The stone is so heavy that no one can lift it.这块石头太重，谁都搬不起来。（1）so+ few/many+可数名词复数+thatThere are so many mistakes in your article that I cant understand the meaning.你的文章里有那么多错误以至于我不懂它的意思。（2）so+ little/much +不可数名词+thatThere was so little water left that only little children were given some.剩下的水不多了，只给小孩分了一些。（3）so+ adj.+ a (n)+名词+that=such+ a (n )+adj.+名词+thatIt is so good a film that Id like to see it a second time.这部电影如此好，以至于我想再看一遍。(4)such.that.如此以至于其结构为： such+ a(n)+ adj.+ n.+ thatsuch+ adj.+不可数名词+thatsuch+ adj.+复数名词+thatIt was such a lovely day that we decided to go outing.It was so lovely a day that we decided to go outing.天气那么好，我们决定去郊游。He made such rapid progress that he was praised by the teacher.他进步如此快以至于老师表扬了他。【即学活用】 (1) He has done so much in _almost everyone thinks that it is a miracle.他在这么短的时间里做了这么多，几乎每个人都认为这是个奇迹。（2）So _ that when I saw her sitting on a park bench it just took my breath away.（beautiful）当我看到她坐在公园长凳上的时候，她是这么美，令我惊叹。（3）So _ that no one managed to escape from their collapsing houses. (happen)地震发生得如此突然以至于没有人成功地从坍塌的房屋里逃出来。4. until in the early 1960s they gave me a family connected by a network.until表示动作、状态的持续，强调“一直到为止”，或强调某个动作或状态一直持续到另一个动作或状态出现之前。常与表示延续性动作的动词连用。He lived with his grandparents until he went to college.他一直和爷爷奶奶住在一起，直到上大学。【拓展】not until表示“到为止;直到才”，常与表示瞬间性动作的动词连用。I didnt recognize her until she took off her sunglasses.直到她摘下墨镜我才认出她来。Not until 置于句首时，句子要部分倒装，即系动词、情态动词或助动词提到主语之前。Not until she took off her sunglasses did I recognize her.【即学活用】 （1）Not until all the fish died in the riverhow serious the pollution was.(realize) 直到河里所有的鱼都死了，村民们才意识到污染有多么严重。 （2）It was not until midnight the major suitable for him to take up in university.(settle) 直到午夜他们才确定他适合学习的大学专业。5. I have also been put into robots and used to make mobile phones as well as help with medical operations. （教材P20）我还被放在机器人里面，被用来制作移动手机，并用来帮助做医疗手术。have been done 现在完成时的被动语态as well as 连接两个并列的不定式短语时，第二个省略不定式符号toHe cant be made to finish the task in such a short time as well as participate in the sports meet. 你不能让他在如此短时间内完成这个任务并参加运动会。as well as 连接两个并列的主语时，主谓一致遵循承前原则，即谓语的单复数跟前面的主语保持一致。The singer as well as thousands of fans is singing the song which made him famous ten years ago.【即学活用】(1) You cannot expect her to do the housework _. 你不可能叫她既照顾孩子又做家务。(2) Jane as well as ten of her classmates_ “Star of the Week” by the school authority in the past 3 months.（award）简和其他20名同学已经在过去的三个月里被学校授予“每周之星”称号。5. By the time I was sixteen, my dream had come true. （教材P20）到我十六岁的时候我的梦想已经实现了。句中By the time 相当于连词，引导时间状语从句，意为“到时间为止”By the time he was 12, he had traveled o more than 30 countries.到12岁为止，他已经去过三十多个国家。By the time I graduate next year, I will have lived here for 5 years.到明年毕业时，我就在这里待了五年了。【归纳拓展】by the time+将来的时间，句子常用将来完成时，by the time+过去的时间，句子常用过去完成时。【即学活用】(1)By the time he returned home, the rain . (stop)等他回到家时，雨已经停了。(2)By the time I get home, my mother .(serve)到我回到家时，我妈妈已经端上一杯热牛奶。6. She programs us with all the possible moves she has seen while watching human games.（教材P23）她把观看人类比赛时所看到的一切可能的动作编入我们的程序。句中while watching human games相当于while she is watching human games。在when, while, if, unless, though, once等引导的状语从句中，若从句的主语与主句主语一致，且从句中含有be动词时，为了使句子结构简洁，可省略从句中的主语和be动词While（she was）listening to the news, she suddenly fainted.听新闻时，她突然晕倒了。I wont attend the meeting unless (Im) invited.除非受邀，不然我不会参加这次会议。Though (I was) tired, I had to work on.尽管很累，我还得继续干。When/If ( it is) heated, water will turn into vapour.给水加热时，水会变成水蒸气。He looked everywhere as if (he was) in search of something.他四处观望，好像在找东西。【即学活用】（1）When _ , you must be careful.（cross）过马路时你必须小心。（2）Unless _ the party, I wont go to his house.（attend）除非受到参加晚会的邀请，否则我是不会去他家的。当堂检测完成句子1. It will be updated in a short time before the softwarethe program. (apply)这个软件更新之后将很快应用于程序。2. Scientists that the worlds population will double by the end of the century. (calculate)科学家们已计算出，世界人口到本世纪末将会翻一番。3. With the world changing fast, we have something new all by ourselves every day.（deal）随着世界的快速变化，我们每天都有新的事情要完全由自己来处理。4. The English in this story is said to to make it easier to understand.（simplify）据说这个故事里的英语已经简化了，以便更容易理解。5. So fastthat he arrived in Nanjing less than two hours later.（drive）他把车开