必修二Unit3Computers.doc

Unit 3 Computers语言要点单元要点预览词汇部分词语辨析1. personal / private / individual2. after all/above all/at all/in all3. deal with/do with词形变化1.explore vt. & vi. 勘探; 探测; 探险exploration n. 勘探; 探测; 探险exploratory adj. 勘探的; 探测的; 探索的2. universe n. 宇宙; 世界universal adj. 全体的; 共同的;普遍的；宇宙的3. appear v. 出现; 显现; 呈现appearance n. 出现; 显现; 呈现外表; 外貌; 外观重点单词1. sum n. 金额; 款项; 总数; 总和2. advantage n.优点；优势；有利条件3. goal n. 球门；进球得的分；目标4. signal n. 信号, 手势, 声音, 暗号 v. 发信号; 用信号传达; 用信号与通讯 5. arise vi.（arose, arisen）出现； 发生重点词组1. in common 共同的；共有的；共用的2. in a/one way 在某种程度上, 从某种意义上说3. watch over 看守; 监视; 照看4. make up化妆；化装；捏造，虚构（故事，诗等）重点句子1. By the1940s工had grown as large as a room, and I wondered if I would grow larger!2. However，this reality also worried my designers重点语法现在完成时的被动语态 （见语法部分） 词语辨析 1. personal / private / individual 【解释】personal 指属于或关于某人或某些特定的人，以区别于其他人。private 指属于私人所有或具有私营性质，以区别于集体或公共的，有时含不公开的意味。individual 与集体的相对，指个别或个体的。 【练习】用上面所提供的辨析词的适当形式填空1). Will you do it for me as a _ favour?2). If you go to a _ hospital, you must pay.3). We traveled together, but each _ bought his own ticket.Keys: 1). personal2). private 3). individual 2. after all/above all/at all/in all 【解释】after all意为“毕竟”“尽管”“到底”“究竟”；above all 意为“最重要的是”“尤其是”；at all一般用在否定句中，用以加强否定语气。at all用在疑问句、条件句中，起强调作用，意为“真的”“确实”“竟然”等。另外，not at all用来表示“不用谢”；in all表示“总共”“总计”。【练习】用上面所提供的辨析词的适当形式填空1). So you see，I was right _. 2). _，he wanted to succeed. 3). It will do you no harm _. 4). We visited, _, 20 universities in the US. Keys:1). after all2). Above all 3). at all 4). in all3.deal with/do with【解释】deal with和do with二者可译为“处理”，但在特殊疑问句中, do with与what配合使用，而deal with与how配合使用。【练习】用上面所提供的辨析词的适当形式填空1). How would you _ an armed burglar?2). What have you _ my umbrella? Keys: 1). deal with2). done with 词性变化 （旨在提供语法填空所需材料）1.explore vt. & vi. 勘探; 探测; 探险exploration n. 勘探; 探测; 探险exploratory adj. 勘探的; 探测的; 探索的2. universe n. 宇宙; 世界universal adj. 全体的; 共同的;普遍的；宇宙的3. appear v. 出现; 显现; 呈现appearance n. 出现; 显现; 呈现外表; 外貌; 外观 重点词汇 （旨在提供综合运用所需材料）1. sum n. 金额; 款项; 总数; 总和典例1). He was fined the sum of 200. 他被处以200英镑罚金。2). The sum of 5 and 3 is 8. 5加3的和是8。重点用法in sum简言之; 总而言之sum sb/sth up形成对某人某事物的看法 2. advantage n.优点；优势；有利条件典例 1). He has the advantage of a steady job. 他有工作稳定的有利条件。2). They took full advantage of the hotels facilities. 他们充分利用旅馆的设备。重点用法take advantage of 对加以利用；欺骗to sb.s advantage 对某人有利have /get/win an advantage over （of）胜过；优于3. goal n. 球门；进球得的分；目标典例 1). He headed the ball into an open goal. 他乘虚把球顶入球门2). We won by three goals to one 以三比一获胜。3). Youd better set a goal before you start. 开始前最好设定一个目标。重点用法score/kick a goal 得踢进一球得一分keep goal守球门life goal/ ones goal in life生活目标achieve / realize ones goal实现目标5. signal n. 信号, 手势, 声音, 暗号 v. 发信号; 用信号传达;用信号与通讯典例 1). A red light is usually a signal for/of danger. 红灯通常是危险的信号。2). He signaled (to) the waiter to bring the menu. 他示意要服务员把菜单拿来。 重点用法signal to sb/sth for sth 用信号传达（某信息）; 用信号与（某人）通讯signal with用发信号5. arise vi.（arose, arisen）出现； 发生典例 1). A new difficulty has arisen.出现了新的困难。2). Accidents arise from carelessness.疏忽大意往往会引起事故的发生。重点用法arise from /out of由引起；由产生练习 中译英1). 夜间起风暴了。_2). 由于缺乏交流而产生了问题。_Keys: 1). A storm arose during the night.2). Problems have arisen out of the lack of communication 重点词组 1. in common 共同的；共有的；共用的典例I have nothing in common with Jane. 我和简毫无共同之处。短语归纳have nothing in common 无共同之处 have little in common 几乎无共同之处have something in common 有一些共同之处 have a lot in common 有许多共同之处2. in a/one way 在某种程度上, 从某种意义上说典例 1). In a way, his English has improved. 从某种程度上来说, 他的英语有进步。短语归纳in the way 造成阻碍 on the/ones way (to) 在(去)的路上by the way 顺便提一下 in no way 决不all the way 自始自终;完全地in this way 用这种方法与in a way同义的词组有in one way 和in some ways。3. watch over 看守; 监视; 照看典例 1). Could you watch (over) my clothes while I have a swim? 我游泳时你看着我的衣物行吗?2). He felt that God was watching over him. 他感觉到上帝保佑着他. 短语归纳watch out (for) 当心; 注意watch for sb./sth. 观察等待keep a watch on 监视 under the close watch 在严密的监视下4. make up化妆，化装；捏造，虚构（故事，诗等）；弥补 短语归纳make up for补偿be made up of = consist of由组成make for有利于，有助于；走向；冲向make it及时赶到，办成功make it up和解；讲和make known使知晓；传达make out理解；懂得；辨认出 重点句子 1. By the1940s I had grown as large as a room, and I wondered if I would grow any larger!到20世纪40年代，我已经长到一个大房间那么大，我不知道我会不会继续长大。解释 1). as large as“有大”，后面常加数词例如：This playground is as large as 500squaremeters这个操场有500平方米那么大。2). I wondered if“我不知道(奇怪)是否”，是一个常见句式，常用于口语，表示一种委婉或客气的语气。例如：I wondered if you would mind giving me a hand.练习 中译英1). 我也不知道他们能不能准时到。_2). 那个男子的体重比他重一倍。_Keys:1). I wonder whether they will arrive on time.2). That man is twice as heavy as him.2. However，this reality also worried my designers可是这个现实也困扰着我的设计者们。 解释 however adv尽管；尽管如此，可是；仍然。表示转折；可放在句首、句中或句尾，但用逗号隔开。例如：I meant to go abroad last year. However, I changed my mind later.我本打算去年出国，但是后来改变了主意。练习 中译英1). 她仍然在等，尽管没有任何回音。_2). 他说事情就是那样，不过他错了。_Keys:1). She waited, however, for no answer.2). He said it was so, he was mistaken, however.3课文佳句背诵与仿写1. 【课本原句】As time went by, I was made smaller. First as a PC (personal computer) and then as a laptop, I have been used in offices and homes since the 1970s.随着时间的推移，我被弄得越来越小。自二十世纪七十年代以来，我一直被用在办公室和家庭里，先是用作个人电脑，后来又做成便携式。模仿要点 句子结构: first+ then+ later.【模仿1】毕业以后，他先是做一名工人，接着做了一个商店的经理，后来做了一个工厂的老板。答案：After graduation, he first worked as a worker, then as a manager of a store and later as a boss of a factory.2【课本原句】I have also been put into robots and used to make mobile phones as well as help with medical operations.我还被放在机器人里面，被用来制作移动手机，