4~5岁幼儿能在较热或较冷的户外环境中连续活动多长时间？（ )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27898' and id < 2291459 and id<>'2291459' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27898' and id > 2291459 and id<>'2291459' order by id asc limit 5