冀教版高中英语必修3unit3 the computer 教材难点

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1、UNIT3难句辅导1Closeyoureyesandimaginetworooms,eachlargerthantheclassroomwhereyoustudyEnglish.闭上眼睛，想象有两个房间，每个都比你学习英语的教室大。EachlargerthantheclassroomwhereyoustudyEnglish.是独立主格结构。如，ItbeingSunday,wedon’tgotoschool.Close还有“封闭”的意思。如，theroadwasclosedbecauseoftheaccident.Imagine常用结构是imaginesbdoing.Ican’ti

2、maginehislivinginsucharoom是错位的，应将his改为him.2Apoint—outprovidesinformationfromoneendofthestrange—lookingdeviceoccupyingmostoftheroom.从一个占据大半个房间一端看起来有点古怪的设施里打印出的资料提供出信息。Device分别被thestrange—looking和occupyingmostoftheroom所修饰。而介词短语fromoneendofthestrange—lookingdeviceoccupyingmostoftheroom.又用来修饰info

3、rmation.Point—out电脑输出的资料Strange—looking是由adj+doing构成的复合形容词结构。如，ahandsome—lookingmanProvidesthforsb=providesbwithsth.类似用法的还有supplysthtosb=supplysbwithsth;offersbsth=offersthtosbOccupy占《空间，场所》；占去《时间》；《军队》占领如，playingfootballoccupiesmostofmysparetimeThebuildingoccupiesone-thirdoftheparkBeoccupied

4、with/in=occupyoneselfwith/in---从事于/专心于---IwasoccupiedinstudyingEnglishatthattime.Ioccupiedoneselfwithvarietiesofplants.3welcometocomputers----1940sstyle.ENAC,thefirstelectronicmainframecomputerweighedmorethan30tonsandwaslargerthanamordernhome欢迎参观40年代生产的计算机。ENAC是第一台独大型的电子计算机，重达30多吨，比一座现代的房子还有大

5、。Welcometosp;welcomepresidentHutoYaleUniversity.但不说welcomesbtodosth.Bewelcometodosth随意做-----=sthbeatone’sserviceYouarewelcometousemycar=MycarisatyourserviceWeigh做vi时，意思是“重达---”。结构是sthweigh+数字.此时不用被动。如，Thestoneweighstwotons。做时，结构为weighsth.有被动。如，theelephentwasweighedbytheton.4TheENIACcontai

6、nedthousandsofvacuumtubes,resistors,capacitors,relaysandmanualswitches.Itcovered167squaremetresandneeded160kilowattsofelectricalpower.ENIAC安装有几千只真空管，电阻器，电容器，继电器和手动开关。占地167平方米，需要160千瓦电力。Containvt包含；容纳thebookcontains10chapters;thebottlecontainedwater注意与include的区别。include意思是“其中包括”Theaccidentkill

7、ed10people,including2womenTheaccidentkilled10people,2womenincludedCovervt.覆盖；占据；走;报道。名词是“封面”Aftertheheavysnow,everythingiscovered.Aftercoveringalongway,shewastiredandfellasleep.Manyreportersweresenttocovertheevent,whichwouldimpressedeveryonei