This is the VOA Special English Agriculture Report. In two thousand eight, scientists reported on a study of cotton grown in six provinces in northern China. The study involved bollworms, a major threat to cotton farmers. It also involved Bt cotton,

发表于:2018-12-16 / 阅读(22) / 评论(0) 分类 2010年VOA慢速英语(五)月

In the Rocky Mountains of Central Colorado, the forces of nature create a landscape of alpine lakes, high-altitude ponds teeming with life and mountain meadows bursting with wild flowers. It is amidst these beautiful wildflower fields that one scien

发表于:2018-12-30 / 阅读(35) / 评论(0) 分类 国家地理2008年

The Worlds Biggest Spittoon In the spring, the eastern half of North America turns into one big spittoon for spittlebugs. Wandering through a meadow, its easy to spot the gobs of foam they produce, stuck to the stems of various plants. What makes spi

发表于:2018-12-31 / 阅读(26) / 评论(0) 分类 英语听力文摘 English Digest

Plants, Humans Share Sensory Awareness The Botanical Garden is a blooming paradise, about four hectares filled with a rich array of some 3,800 species drawn from Israels diverse landscape and from around the world. Danny Chamovitz, director of the Ma

发表于:2019-01-09 / 阅读(46) / 评论(0) 分类 VOA标准英语2013年(四月)

Fukushima Farmers Worry About Region's Brand With the crisis at the Fukushima Daiichi nuclear power plant set to continue through most of this year, many people in the region are worried about the long-term impact on the Fukushima brand. Nowhere can

发表于:2019-01-14 / 阅读(59) / 评论(0) 分类 VOA标准英语2011年(四月)

In the Rocky Mountains of Central Colorado, the forces of nature create a landscape of alpine lakes, high-altitude ponds teeming with life and mountain meadows bursting with wild flowers. It is amidst these beautiful wildflower fields that one scient

发表于:2019-01-22 / 阅读(89) / 评论(0) 分类 自然百科2008年