As America's first environmentalist, John Muir lived his life forever daring to undertake new adventures
出自-2013年6月听力原文
I lived for adventure", she says.
出自-2013年12月听力原文
In a study analyzing data on thousands of Ohio State freshmen who lived in dorms, he found that black freshmen who came to college with high standardized test scores earned better grades if they had a white roommate — even if the roommate's test scores were low.
出自-2012年6月听力原文