LearningaboutLanguage (3).doc

Unit 3 ComputersPart 3-Using Language 【核心词汇】【核心短语+核心句型】Signal(2)n.信号；暗号Usually there is a weak television signal in the deep mountain area.在深山地区通常电视信号很弱。标志；预示；信号Her speech yesterday was a signal that her views have changed.她昨天的讲话标志着她的观点已经转变。(尤指铁路或公路上的)指示灯，信号灯，红绿灯A red light is usually a signal of danger.红灯通常是危险的信号。(2)vi.& vt. 发信号The ship in danger signaled for help.处境危险的船只发出求救信号。As soon as he sat down at the table，he signaled (to)the waiter to bring the menu.一在桌边坐下，他就示意侍者拿菜单来。【归纳拓展】(1)signal (sb.) that 示意 signal (to) sb.to do sth.示意某人做某事signal to sb.向某人示意(2)a danger/warning (stop) signal 危险/警告(停车)信号 traffic signals 交通信号灯【易混词辨析】Type(1)n.C类型；种类Which type of tea do you prefer?你喜欢哪种茶？sing. 具有某种特征的人；典型Men of his type are not to be trusted.像他那一类型的人不可靠。字体In this book，the headwords are in large type.本书里的条目词用大号字体。(2)v. 打字If I want to write fast，I must learn to type.如果我想写得快，我就得学会打字。 Please type this letter for me.请替我把这封信打出来。【易混词辨析】【例句】Therere all sorts of activities for kids here.这里有为孩子们组织的各种各样的活动。He is clever at everything of this kind.他擅长干这样的事。【归纳拓展】(1)typewriter n打字机 typist n打字员(2)typical adj.典型的，一向如此的It is typical of sb. to do sth.做某事是某人的特点It is typical of the old man to help those in need.这位老人就是爱帮助有困难的人。arise vi. (arose，arisen)(1)出现；发生Three problems arose during product development.在产品开发过程中出现了三个问题。How did the quarrel arise?争吵是怎样发生的？(2)起身；起来；起立He arose at dawn.他黎明即起。【归纳拓展】arise from (give rise to)由引起Accidents arise from carelessness.疏忽大意往往会引起事故。【易混词辨析】【例句】The white snow aroused his interest in playing with his child in the snow field.白茫茫的雪激起了他和孩子在雪地里玩耍的兴趣。As the red flag was rising，soldiers raised their hands to salute to it.随着红旗冉冉升起，战士们举手向红旗敬礼。Appearance(1)外观；外貌She had never been greatly concerned about her appearance.她从来不怎么注重外貌。(2)出现She made a sudden appearance just as we were about to leave.我们正要走，她突然出现了。【归纳拓展】动词appear 出现；出场动词disappear消失名词appearance 出现；外观名词disappearance消失in a way从某一角度看；在某种程度上【例句】In a way our programmer is like our coach.从某种程度上看，我们的程序员就好像是我们的教练。In a way I can see what you mean，even though I dont share your point of view.尽管我同你的看法不一样，但在一定程度上我是能理解你的意思的。【归纳拓展】in a wayin one way/in some way从某一角度看；在某种程度上with the help of在的帮助下【例句】After all，with the help of my electronic brain which never forgets anything，using my intelligence is what Im all about!不管怎样，在我过目不忘的电子脑的帮助下，运用智能就是我的一切！With the help of robots，man can explore some dangerous areas of the world.在机器人的帮助下，人类可以探索世界上某些危险的地区。【归纳拓展】with the help of sb.with ones help在某人的帮助下(1)come to sb.s help 帮某人的忙(2)help sb.out 帮某人摆脱困境 help sb.with sth.在帮助某人help (to) do sth.帮着做某事 help oneself to 自用；擅自支取(3)cant help doing sth.禁不住做某事 cant help but do sth.不得不做某事【例句】The driver was caught in the heavy snow，and the traffic police helped him out.司机被大雪困住了，交警帮他解了困。I was attracted by the huge stone Buddha statue and couldnt help stopping to admire it with respect.我被巨大石雕佛像吸引，情不自禁地停住脚步，带着崇敬的心情欣赏它。Make up(1)编造I think theyre making the whole thing up.我认为整件事情是他们编出来的。(2)组成；构成Eleven players make up a football team.(A football team is made up of eleven players.)11名运动员组成一个足球队。(3)补上Is it OK if I make the work up next week?我下星期再补做这项工作可以吗？Deal with(1)解决；处理；应付Have you dealt with these letters yet?你处理这些信件了吗？Hes good at dealing with pressure.他善于应付压力。(2)涉及；论及；关于This new book deals with West Africa.这是关于西非的一本新书。Her poems often deal with the subject of love.她的诗通常是关于爱情这一主题的。【归纳拓展】(1)deal with意为“处理，对待”时，与do with同义。(2)deal with中的deal为不及物动词，常与疑问词how连用；而do with中的do为及物动词，常与疑问词what连用。I wonder what they will do with the used car.我想知道他们会如何处理这辆旧车。Children must learn how to deal with all the situations in their life.孩子们必须学会如何应对生活中的所有情况。watch over看守；监视 ；守护；照管【例句】It should also watch over my naughty niece，who comes to my house very often.它还应该照看我淘气的侄女，她经常来我家。She had to ask for a days leave to watch over her sick child.她只好请了一天的假来照看她生病的孩子。He trained his dog to watch over his sheep during the night.他训练狗在夜间看守羊群。【归纳拓展】(1)watch out (for) 当心；注意 watch for sb./sth.观察；等待(2)keep a watch on 监视 under close watch 在严密的监视下Watch out for cars when you cross the road!过马路时当心车辆！The government should always keep a watch on the safety of food.政府应该始终监管食物的安全性。【长难句解析】1I would really like to play against a human team，for I have been programmed to act just like them.分析：此句为并列句。句中for作并列连词，意为“因为”。它用于对前面分句加以解释、推断或说明，不表示直接原因。译文：我真的想和真人球队比赛，因为我被设计成像他们一样地活动。2、Whenever she comes，I have to look after her，and sometimes help her with her homework.分析：此句为主从复合句。whenever引导时间状语从句。译文：无论她什么时候来我都不得不照顾她，有时候帮她做家庭作业。3、She programs us with all the possible moves she has seen while watching human games.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。【归纳拓展】状语从句的省略在when，while，if，unless，though，once等引导的状语从句中从句的主语和主句的主语一致，且从句中的谓语含有be动词时，为了使句子简洁，可省略从句中的主语和be动词。While playing in the snow，the two pandas had great fun.在雪中玩耍时，这两只熊猫玩得非常尽兴。Unless invited，he has decided not to attend that activity.除非被邀请，他已决定不参加那项活动。4、I would really like to play against a human team，for I have been programmed to act just like them.我真的想和真人球队比赛，因为我被设计成像他们