高一英语阅读理解专讲专练 Unit 9 Technology 整体理解

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1、Unit9Technology　整体理解　　我们常遇到这样的情况：句子都能看懂，但读完文章印象却不深。这就牵涉到对文章的整体理解。首先，我们要重视文章的题目和首句。文章的题目是文章的主题，文章的内容就是围绕这一主题展开的；而首句是文章的导入，点明作者写作意图或写作背景。文章的每个段落的首句和尾句也是整体理解的关键，首句是开篇明义，而尾句常常是画龙点睛。　　因此，我们在阅读时要养成这样一个习惯：见了文章的题目，要停顿一下，想一想这篇文章大概写的什么。阅读时，要特别注意每段的第一句与最后一句，并用心记住。读完全文后要将全文的主要内容快速回忆一下，这样既把

2、握了文章的主要内容和框架结构，又学会了作者的逻辑推理的方法，从而更好地理解这篇文章。　　PassageA　　阅读理解　　OnOctober12,1989,someBritishscientistswereworkingatthecomputerstolookfortheinformationtheyneeded.Suddenlytheysawalotofverybrightpointscrossingthecomputersscreens.Atthesametimethecomputerswereworkingmuchslower.Tofindou

3、twhatwashappeningtheystoppedtheirworktochecksomepartsofthecomputers.Totheirhorror(恐怖),theyfoundoutthatmostoftheirstoredinformationwasgotridofbycomputerviruses(病毒)!Clearlyallthesecomputershadbeeninfected(感染)bycomputerviruses.　　Itissaidthatthecomputervirusesweremadebyagroupofyoun

4、gmenfondofplayingtricks.①Theyallhadexcellenteducation.Theycreatedthevirusesjusttoshowtheirintelligence(才能).ThesekindsofcomputervirusesarenamedJerusalemViruses.Thesevirusescanstayincomputersforalongtime.Whenthetimecomestheywillattack(袭击)thecomputersbyloweringthefunctions(功能),dam

5、agingtheirnormalprogramsorevengettingridofalltheinformation.②　　WenowcometoknowthatJerusalemVirusesoftenattackcomputersonFridayandthattheyarespreading(传播)toalotofcomputers.AmongthecountriesthatwereattackedbycomputerviruseslastyearareBritain,Australia,SwitzerlandandtheU.S.Buttill

6、now,howtogetridoftheterriblevirusesremainsaproblem.　　根据文章内容，选择正确答案：　　1.Whenthevirusesattackthecomputers,thecomputerswillwork____.　　A.normallyB.slowly　　C.fasterD.well　　2.Thegroupofyoungmencreatedthevirusesto____.　　A.damagethecomputers　　B.testtheirability　　C.tellpeoplethattheywer

7、eintelligent　　D.playatrickonusersofthecomputers　　3.Accordingtothepassage,computervirusesseemto____.　　A.havebeeninnatureforyears　　B.stayinanycomputers　　C.bedifficulttogetridofatpresent　　D.beabletobegotridofinthenearfuture　　4.Accordingtothepassage,whichofthefollowingisTRUE?　　A.La

8、styearfourcountriesfoundtheircomputerwereinfectedbyvir