高中英语 Unit 3 Computers 语言要点教案 新人教版必修2

Unit 3 Computers语言要点单元要点预览（旨在让同学整体了解本单元要点）词汇部分词语辨析1. personal / private / individual2. after all/above all/at all/in all3. type / kind /sort4. deal with/do with（未调顺序）词形变化（未调顺序）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 (旨在提供完形填空所需材料) 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. type / kind /sort【解释】1）kind系普通用语，其含义较模糊，它所指的种类可用任何标准区分，但着重以事物的自然属性和内在性质为标准来区分。2）type常和换用kind，但在表示动植物的种类,以及牌类游戏时，不能用type代替3）sort也为普通用语，比kind更口语化，其概念同kind一样很不严密，两者常可互换， 但sort常掺杂说话人的主观色彩，带有轻蔑与贬低的含义。如：We talked of all sorts of subjects.我们谈了各种话题。These sorts of people are ready to eat anywhere.这种人总是走到哪里吃到哪里。【练习】用上面所提供的辨析词的适当形式填空1). Hes quite a pleasant _, really.2). All _ of difficulties have to be overcome.3). Ill never do this _ of thing.4）There are different _ of animals in Shanghai Wild Animal Park.Keys: 1). type2). kinds3). sort 4） kinds4.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【练习】用括号内所提供词的适当形式填空1) Well take a voyage of _. (explore)2) Columbus discovered America but did not _ the new continent. (explore)3） Theyre making _ medical tests. (explore)4） Television provides _ entertainment. (universe)5） There are lots of stars in the _. (universe)6） Dont judge by _ can be misleading. (appear)7) He promised to be here at four oclock but didnt _ until six. (appear)Keys: 1) exploration2) explore3) exploratory4) universal5) universe 6) appearances7) appear 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练习 中译英1). 总之, 计划告吹了。_2). 我认为她是个很能干的经理。_Keys: 1). In sum, the plan failed.2). I summed her up as a competent manager.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；优于练习 中译英1).协议对我们有利。_2).她利用了我的慷慨。_Keys: 1). The agreement is/works to our advantage.2). She took advantage of my generosity.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实现目标练习 中译英1).他已经实现了他的目标。_2).我的人生目标是帮助他人。_Keys: 1). He has achieved his goal.2). My goal in life is to help others.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用发信号练习 中译英1).铁路红灯亮了, 所以火车停下了。_2).他用红旗发信号。_Keys: 1). The railway signal was on red, so the train stopped.2). He was signaling with a red flag.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 （旨在提供综合运用所需材料）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 有许多共同之处练习 中译英1). 这个词常用吗?_2). 她已和许多人一起申请参加训练。_Keys: 1). Is this word in common use?2). In common with many others, she applied for a training place.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。2). Shes been through a bad patch recently. 她最近经历了一段困难时期。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。练习 中译英1). 从某种程度上说, 我很喜欢这本新教材。_2). 看来你的自行车挡着道了。_Keys: 1). In a way, I like this new textbook very much2). Im afraid your bike is in the way3. 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 在严密的监视下练习 中译英1). 他们等待着进一步的发展。_2). 小心! 汽车来了。_Keys: 1). They are watching for further developments.2). Watch out! Theres a car coming.4. make up化妆；化装；捏造，虚构（故事，诗等）典例1). She spent an hour making (herself) up before the party. 她在聚会前化妆用了一个小时。2). Stop making things up! 不要胡编了!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；辨认出练习 中译英1).社会是由能力迥异的人组成的。2).她总是浓妆艳抹的。Keys;1). Society is made up of people of widely differing abilities.2). Shes always very heavily made up. 重点句子 （旨在提供句子结构等所需材料）1. By the1940s工had grown as large as a room, and I wondered if I would grow any large