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1、2012年上海中考英語新題型專項練習(xí)——選詞填空3before,discover,fast,in,come,watch,so,fastit,ago,shine,notcan Lighttravelsataspeed(速度)whichisaboutamilliontimes1.________thanthatofsound.?2.________onesecond,lighttravelsabout300,000kilometers,butsoundtravelsonly340meters.Youcangetsomeide
2、aofthisdifferenceby?3.________?thestartofarunningmatch.Ifyoustandfarawayfromthestarter(發(fā)令員),youcanseesmoke4.________fromhisgun5.________thesoundreachesyourears. Thefastspeedoflightproducessomestrangefacts.Theneareststaris6.________farawaythatlightwhichyoucanseefr
3、omittonightstartedtotraveltoyou?fouryears?7.________ataspeedofnearlytwomillionkilometerseveryminute.Thelightfromsomeoftonight'sstartedon8.________journeytowardsyouevenbeforeyouwereborn. So,ifwewanttobehonest(誠實),we9.?________say,"Thestarsareshiningbrightlytonight
4、."?Wehavetosay,"Thestarslooknice.Theywere10.________fouryearsagobuttheirlighthasjustreachedourearth."?參考答案： 1.faster 2.In 3.watching 4.come 5.before 6.so 7.ago 8.its 9.cannot 10.shining1用心愛心專心
