Unit3ComputersReading(2)•monitor•speaker•mainunit•keyboard•mouse•brain•speed•railway•显示器•扬声器•主机•键盘•鼠标•脑•速度•铁路•type•control•depend•calculate•operate•打字•操纵、控制•依靠、依赖•计算•操作、控制•expensive•tiny•昂贵的,价格高的•极小的,微小的•workas•(be)unawareof•dependon•inaddition•从事……工作•没意识到,未察觉•依靠•除……以外(还)1.Inthe1940s,thefirstcomputerswerebiggerthancars.•inthe1940s在20世纪40年代在19世纪80年代A.inthe1980B.inthe1980sC.in1880sD.inthe1880s1.Inthe1940s,thefirstcomputerswerebiggerthancars.•thefirstcomputers第一批•thefirst+n.单第一个……•thefirst+n.复第一批……1.Inthe1940s,thefirstcomputerswerebiggerthancars.•bigger比较级•big-bigger-biggest•small-smaller-smallest•wide-wider-widest•happy-happier-happiest•beautiful-morebeautiful-mostbeautiful•good/well-better-best•bad/badly-worse-worst•many/much-more-most比……•2.Youmaybeunawareofthem.•awareadj.意识到的,知道的,觉察到的•beawareof对…有意识•他对自己的错误有所意识。•Heisawareofhisownmistakes.•吸烟者都知道吸烟对自身健康的危害。•Smokersareawareofthedangerstotheirhealth.•2.Youmaybeunawareofthem.•aware-unaware•unawareadj.不知道的,未察觉到的•beunawareof对……未察觉•他对整件事情一无所知。•Hewascompletelyunawareofthewholething.•我并不清楚我们所面临的困难。•Iamunawareofthedifficultiesweface.•3.Youdependoncomputersmorethanyourealize.•dependv.----dependentadj.•dependon=bedependenton•我们的成功依赖于你们的支持。•Oursuccess___________yoursupport.•=Oursuccess________________yoursupport.•independentadj.独立的–independentlyadv.dependsonisdependenton•3.Youdependoncomputersmorethanyourealize.•morethan超过,多于•lessthan不足,少于•realizev.了解,意识到•我们没有意识到这个问题的重要性。•Wedidn’trealizetheimportanceoftheproblem.•4.Theycancalculateatafasterspeedthanwecanandalmostnevergivewronganswers.•calculatev.计算•calculationn.计算•calculatorn.计算器•请用你的计算器计算一下他的计算结果。•Pleaseuseyourcalculatortocalculatetheresultofhiscalculation.•4.Theycancalculateatafasterspeedthanwecanandalmostnevergivewronganswers.•atafasterspeed以一个较快的速度•火车以缓慢的速度前进着。•Thetrainismoving__________________.•almostadv.几乎•almostnever几乎从未ataslowspeed•5.Inaddition,computerscandoimportantjobslikeoperatingrailwaysandflyingplanesandspaceships.(1)inaddition,besides,except,but和exceptfor的区别(2)like,forexample和suchas的区别•(1).besides除……之外(还包括)=inaddition(to)•BesidesEnglish,theyalsostudymath,Chineseandart.•他们学习数学、中文、美术和英语。•=InadditiontoEnglish,theyalsostudymath,Chineseandart.•=Theystudymath,Chineseandart.Inaddition,theyalsostudyEnglish.•(2).except除……之外(不包括),把某个或某些排除,指从同类人或物中除去一部分=but•Heansweredallthequestionsexceptthelastone.•除了最后一个问题之外,他回答了所有问题。(最后一个问题没回答)•=Heansweredallthequestionsbutthelastone.•(3).exceptfor除……之外(不包括),通常先从整体上肯定然后排出某一点,所除去的和提到的并非同一类事物•Yourcompositionisgoodexceptforafewspellingmistakes.•除了几处拼写错误以外,你的作文写得很好。(作文与拼写错误不是同类。)选词填空inaddition(to),besides,except,but,exceptfor1.除这本以外,我还有五本别的书。Ihavefiveotherbooks______________this.2.除了他,所有的学生都准时到达了车站。Allthestudentsarrivedatthestationontime_______...