2019中考英语阅读理解选习题(10)PassageA(2019中考保健与健康类选练)Spendingtwoorthreehoursplayingoutdoorseachdaycanreducethechanceofbecomingshort-sighted,aresearchshows
Itchallengesthebelief(信念)thatshort-sightednessiscausedbycomputeruse,watchingTVorreadinginweaklight
TheAustraliangovernmentresearchersbelievethatthesunlightisgoodforpeople’seyes
Theycomparedthevision(视力)andhabitsof100seven-year-oldchildreninSingaporeandAustralia
Inall,30%oftheSingaporeanchildrenwereshort-sighted—thisrate(比率)wastentimeshigherthanAustralianchildren
Bothgroupsspendasimilaramount(数量)oftimereading,watchingtelevisionandplayingcomputergames
HowevertheSingaporeanchildrenspentanaverage(平均)ofonlyhalfanhouradayoutdoors—90minuteslessthantheAustralianchildren
ProfessorIanMorgan,fromtheAustralianResearchCouncil’svisionCentre,said,“Humansarenatur