中考真题模拟分享1Day4一.阅读理解
Passage1(上城区2016年二模C)Agreatnumberofpeopleintheworldhaveneverseensnow
Othersseemoreofitthantheywantto
Hailismuchmorecommon;ithappensevenindeserts
Hailisasmallroundballofalternatinglayers(交互层)ofsnowandclearice
Itformsinsidelargedarkcloudsthatyoucanseebeforeorduringastorm
Therearetwoideasabouthowhailstonesfrom
Oneideashowsthathailformswhendropsofwaterfreezeintheupperair
Astheyfall,theycollectmoredropsofwater
Theyalsocollectsnow
Theiceandsnowbuildupinlayers
Ifyoucutahailstone,youcanseethesealternatinglayers
Theotherideasaysthathailstartsasaraindrop
Thewindcarriesithigherintotheatmosphere(大气层),whereitgetscoveredbysnow
Itbecomesheavyandbeginstofall
Asitfalls,itgetsalayerofwater,whichfreezes,Thenthewindcarriesitbackuptothesnowarea,anditgetsanotherlayerofsnow
Thiscanhappenanumb