![Childrenwhospendmoretimeoutdoorsmayhavealowerriskofbeco...]( "Childrenwhospendmoretimeoutdoorsmayhavealowerriskofbeco...")
- 问题详情：Childrenwhospendmoretimeoutdoorsmayhavealowerriskofbecomingnearsighted,newresearchsuggests.Inthestudy,researcherslookedatabout1,900schoolchildren.Thescientistsfoundthatthekidswhohadbeeninstructedtospendmoretimeoutdoorsoverthreeyearswere23perc...
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