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1、Unit 3ComputersPeriod Vocabulary以旧识新1simple adj.简单的_ v简化_ adv.简单地2operate v操作；动手术_ n操作；手术_ n操作员3real adj.真正的；现实的_ adv.真正地_ n现实_ v实现4person n人_ adj.个人的_ adv.就个人而言5whole adj.全部的；整个的_ adj.总的_ adj.全部的_ adv.完全地6happy adj.幸福的；快乐的_ adv.幸福地；快乐地_ n幸福；愉快_ adj.不快乐的7rise v增大；上升_ v出现；发生_ 过去式_ 过去分词8electricity n电
2、；电能_ adj.电的_ adj.有关电的_ adj.电子的9appear v出现_ v消失 _ n外观，外貌10work n工作，劳动_ n网络_ n网_ n网站1calculate v计算，估算归纳 calculation n计算，考虑calculator n计算器calculated adj.有计划的，有意的calculate on 依靠；指望It is calculated that 据估算be calculated to do 打算做，计划做be calculated for. 为适合而设计的，适合于运用(1)The room _ such use.这房间不适合做这种用途。(2)Sc
3、ientists _when the spaceship would reach the moon.科学家无法计算出宇宙飞船何时到达月球。(3)She _what it would cost.她估计好了花多少钱。(4)We cannot _ his help.我们不能指望他的帮助。2application n作用；申请；应用归纳apply v申请；应用applicant n申请者be applied to 适用于；应用于；施加于apply for 申请，请求；接洽apply oneself to 致力于；集中精力做某事apply.to.把施于；把运用于apply to 关系到，牵涉到；适用于；
4、运用于运用(1)I will _ the job today.今天我将申请那份工作。(2)We should _ in the language classroom.我们应把两种理论都运用到语言教室中去。(3)This rule _ every case.这条规则并不是在每种情况下都能适用的。(4)I was one of the _ the job.我是这项工作的应聘者之一。3signal n信号，手势；v.给信号，打手势辨析mark/sign/signal/symbol这组词都有“标记，标志”之意。但它们的用法有所不同：(1)mark“标志，标记”，含义广泛，指事物留下的深刻印迹或某物上用
5、于辨别该物品的附属物，比sign更侧重于区别性或揭示性的标志，有时不一定十分直观或明显。(2)sign“记号，标记”，用法最广，可指符号(装置)，也可指情绪、性格的直观显示，还可指具体的用于识别或指示的标志，如指示牌、卡片等。借喻作“征兆，迹象”讲。(3)signal“信号”，常指约定俗成，用于传达某些信息的信号，也指灯光、声音或信号标志。(4)symbol“象征，符号”，指被人们选出的物体或图案用来代表另一事物，并作为该事物的标记或象征。运用用mark，sign，signal，symbol填空(1)A red light is a _ of danger，which is even know
6、n to a fiveyearold child.(2)Sir，you are not allowed to walk your dog on the lawn.Dont you see the _ “Keep off the grass”？(3)In the picture the tree is the _ of life and the snake is the _ of evil.(4)One _ of a writers greatness is that different minds can get a different inspiration from his works.4
7、arise v呈现，出现，发生；起立辨析rise/raise/arise这三个词的音、形、义相似，都有“上升”的意思，但含义和用法有所不同：(1)rise是不及物动词。可以指太阳、月亮、河水、物价、数量等的“上升，增长”，也可以指人“起立”“起床”“(地位)升高”等。(2)raise是及物动词。它一般指“升起”、“举起”、“抬起”、“提出”等具体行为、动作，有时也用于借喻，表示“提高(工资、价格、地位)”等。(3)arise是不及物动词。表示“起立”、“起床”时，它与rise同义，但属于比较陈旧的用法，现在主要用于借喻，常用于抽象事物，作“出现”、“产生”、“发生”解。运用用rise，rais
8、e，arise的适当形式填空(1)The river _ after the heavy rain.(2)They _ a national flag.(3)Use this money when the need _.(4)When the actors appeared，the audience _ and applauded.5as a result 结果归纳as a result of. 由于without result 没有结果，白费result from. 由造成，因而产生result in 导致运用(1)She worked hard._ she passed the exami
9、nations.她学习努力，结果通过了考试。(2)_ the heavy snow，the meeting was put off.由于下大雪，会议被推迟了。(3)Sickness often _ eating too much.疾病经常是由于吃的太多而造成的。(4)It is said that his carelessness and ignorance together _ a terrible fire，which burned down the building.据说，是他的粗心和无知导致了一场大火，烧毁了这栋大楼。6deal with 对付；处理；涉及，论及；和做生意辨析deal
10、with/do withdeal with与do with都有“处理”之意，但deal with中的deal为不及物动词，因此与疑问词how搭配；do with中的do后可接宾语，因此可与what搭配，如果deal with 后面没有宾语时，也可与what 搭配。运用用deal with，do with的适当形式填空(1)I dont know how I can _ the matter.(2)All of us want to know what to _ the pavilions after the Shanghai World Expo.(3)We want to know how
11、to_ this problem and what to _ it.Adeal with；deal withBdeal with；do withCdo with；deal withDdo with；do with7watch over看守；监视；照管归纳watch for等待；留意；当心watch out (for)当心，提防keep watch 值班；看守；照料on watch 值班运用(1)Will you _ my clothes while I have a swim?我游泳的时候，你能帮我看一下衣服吗？(2)You have to _ fast traffic along here.
12、你要当心这里快速的车流。(3)_ ！Theres a car coming.当心！有一辆汽车驶过来了。Unit 3ComputersPeriod Vocabulary课前准备区1simplify；simply2.operation；operator3really；reality；realize4.personal；personally5total；entire；totally6.happily；happiness；unhappy7arise；arose；arisen8.electric；electrical；electronic9disappear；work；web；website课堂活动区1
13、(1)is not calculated for(2)could not calculate(3)calculated(4)calculate on2(1)apply for(2)apply both theories(3)can not be applied to(4)applicants for3(1)signal(2)sign(3)symbol；symbol(4)mark4(1)is rising(2)raised(3)arises(4)arose5(1)As a result(2)As a result of(3)results from(4)resulted in6(1)deal with(2)do with(3)B7(1)watch over(2)watch out for(3)Watch out
