TopicTwelvePopularScienceandModernTechnology科普知识与现代技术话说中考此类话题涉及科普知识和最尖端的现代化技术，是中考中难度最大的一部分，专业术语较多，词汇量大，多以说明文呈现在试卷中。这就要求学生在平时多了解科普知识，关注尖端技术，热爱现代化，培养爱国主义精神。解题思路：整体把握文章大意，关注出题趋势，熟悉解题方法。走进中考(兰州·2010)Therehavebeenmanygreatinventionsorthingsthatchangedthewaywelive．Thefirstgreatinventionwastheonethatisstillveryimportanttoday—thewheel．Thismadeiteasiertocarryheavythingsandtotravellongdistance．Forhundredsofyearsafterthattherewerefewinventionsthatasmucheffectasthewheel．Thenintheearly1800stheworldstartedtochange．Therewaslittleunknownlandleftintheworld．Peopledidn'thavetoexploremuchanymore．Theybegantoworkinsteadtomakelifebetter．Inthesecondhalfofthe19thcenturymanygreatinventionsweremade．Amongthemwerethecamera，thelightandtheradio．Theseallplayabigpartinourdailylifetoday．Thefirstpartofthe20thcenturysawmoregreatinventions．Thehelicopterin1909，movieswithsoundin1926，thecomputerin1928，jetplanesin1930．Thiswasalsoatimewhenanewmaterialwasfirstmade．Nyloncameoutin1935．Itchangedthekindofclothespeoplewore．Themiddlepartofthe20thcenturybroughtnewwaystohelppeoplegetoverdiseases．Theyworkedverywell．Theymadepeoplehealthierandallowedthemtolivelonger．Bythe1960smostpeoplecouldexpecttolivetobeatleast60．Bythistimemostpeopleindevelopedcountrieshadaverygoodlife．Ofcoursenewinventionscontinuedtobemade．Butmannowhadadesire(渴望)toexploreagain．Theearthwasknowntomanbutthestarswerenot．Manbeganlookingforwaystogointospace．Russiamadethefirststep．ThenUnitedStatestookastep．Sincethenothercountries，includingChinaandJapan，havemadetheirownstepsintospace．In1969mantookhisbiggeststepawayfromtheearth．Americansfirstwalkedonthemoon．Thisiscertainlyjustabeginning，though．Newinventionswillsomedayallowustodothingswehaveneveryetdreamedof．阅读短文，根据短文内容选择最佳答案。()1．Thispassagetalksmainlyabout_______．A．whycarswereveryimportantB．whenlightwasinventedC．howinventionsaffectpeople'sdailylifeD．whichcountrymadethefirststepintospace()2．Accordingtothepassagemandidn'thaveadesiretoexplorealot_______．A．atthebeginningof1800sB．inthe1960sC．sincethe1900sD．fromthe1800sto1960s()3．Inthe1800s，peoplebegantoworkinordertomake_______．A．explorationsB．theirlifebetterC．discoveriesD．atriptospace()4．Nyloncameoutoffiveyearslaterthan_______．A．radioB．cameraC．jetplanesD．movies()5．Peoplecanlivelongerlivesbecause_______thathelpcurediseaseshaveworkedverywell．A．doctorsB．newwaysC．medicinesD．newhospitals解析1．C根据整篇文章的内容和“Therehavebeenmanygreatinventionsorthingsthatchangedthewaywelive．”可知文章主要讲述发明是怎样影响人们日常生活的，故正确答案为C。2．A根据“Thenintheearly1800s...exploremuchanymore．”可以判断出正确答案为A。3．B根据第“Theybegantoworkinsteadtomakelifebetter．”可知正确答案为B。4．C根据“...jetplanesin1930．Thiswasalsoatime...Nyloncameoutin1935．”可知尼龙的发明要比喷气式飞机晚5年，故正确答案为C。5．B根据“Themiddlepartofthe20thcenturybroughtnewwaystohelppeoplegetoverdiseases．”可知正确答案为B。话题专练一Robotsarecomingintopeople'slivesthesedays．Robotshelppeoplealot．Japanesehousekeepingrobotscanmovechairs，sweepthefloor，takeawaydirtydishesandputdirtyclothesinwashingmachines．Intel，thefamouscomputermaker，hasdevelopedaself-con...
