2017-2018学年高中英语 unit 3 computers课时作业 新人教版必修2

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1、Unit3　Computers【导语】　万维网的出现彻底改变了世界，创造了大量的财富并从根本上改变了人们的生活方式。而它的创始人英国计算机科学家蒂姆·伯纳斯·李对于自己这一成果的现状并不满意。一起去了解一下这位“万维网之父”吧！MostpeoplehaveneverheardofTimBerners－Lee.HeisnotnearlyasrichorfamousasMarcAndreessen，whoisthefounderofNetscape，orBillGates，whosenamehasbecomeawell－kn

2、ownword.Berners－Lee，whoworksinasmallofficeattheMassachusettsInstituteofTechnology，isthecreatoroftheWorldWideWeb.ThecreationoftheWebissoimportantthatsomepeoplecompareBerners－LeetoJohannGutenberg，whoinventedprintingbymovabletype(活字)inthefifteenthcentury.Berners－Lee

3、wasborninEnglandin1955.Hisparents，whohelpeddesigntheworld'sfirstcommerciallyavailablecomputer，gavehimagreatloveofmathematicsandlearning.In1980，Berners－LeewenttoworkatCERN，aphysicslaboratoryinGeneva，Switzerland，wherehehadalotofmaterialtolearnquickly.Hehadapoormemo

4、ryforfactsandwantedtofindawaytohelphimkeeptrackofthingshecouldn'tremember.Heinventedasoftwareprogrammethatallowedhimtocreateadocumentthathadlinkstootherdocuments.Hecontinuedtodevelophisideathroughthe1980s.Hewantedtofindawaytoconnecttheknowledgeandcreativityofpeop

5、leallovertheworld.In1991，hisprojectbecameknownastheWorldWideWeb.ThenumberofInternetusersstartedtogrowquickly.However，Berners－LeeisnotcompletelyhappywiththewaytheWebhasdeveloped.Hethinksithasbecomeapassivetoolforsomanypeople，notthetoolforcreativitythathehadimagine

6、d.【词海拾贝】1．creator　　　　n．创造者2．commerciallyadv.商业地3．trackn．轨道4．softwaren．软件5．passiveadj.被动的；消极的【问题思考】阅读短文，判断正(T)误(F)。1．TimBerners－LeeisthefounderofNetscape.(　　)2．TimBerners－LeewasanEnglishmanandgotalotofhelpfromhisparents.(　　)3．TheWorldWideWebbecamefamousbuthasnotbe

7、endeve－lopedperfectly.(　　)答案：1.F　2.T　3.TⅠ.将单词与其正确释义配对1．calculate　　　　A．简化2．universalB．完全地；整个地3．simplifyC．普遍的；通用的；宇宙的4．logicalD．真实；事实；现实5．technologyE．人造的；假的6．artificialF．探索；探测；探究7．intelligentG．解决；解答8．solveH．工艺；科技；技术9．realityI．合逻辑的；合情理的10．totallyJ．计算11．applicationK．

8、智能的；聪明的12．exploreL．应用；用途；申请答案：1.J　2.C　3.A　4.I　5.H　6.E　7.K　8.G　9.D　10.B　11.L　12.FⅡ.根据所给汉语提示写出单词1．________n．目标；目的；球门；(进球)得分2．________v．&n.发信号；信号3．________v．&n.类型