2014
高考英语阅读理解基础练习精品题（37）及答案《
山东省莱芜市凤城高中2013届质量检测》b the time children spend outdoors could be linked to a reduced risk of being short-sighted, research suggests. an analysis of eight previous studies by university of cambridge researchers found that for each additional hour spent outside per week, the risk of short-sightedness was reduced by 2%.they said exposure to natural light and tim
