单词:
单词: 相关文章
One of the world's most amazing migration is about to begin in earnest: 300 million monarch butterflies spread across North America are about to converge on small forests in the mounts of Mexico. This year, the butterflies have an unusual company as
By Robert Berger Jerusalem 14 November 2009 An ultra-orthodox Jewish man is seen next to Intel's Jerusalem office building, 14 Nov 2009 Alleged violations of the Jewish Sabbath by a top international company prompted religious protests in Jerusalem
Schools in north China's Shanxi Province have been banned from organizing overseas study tours for profit after a plane crash killed two Chinese girls in San Francisco. The provincial education department announced the ban in a statement issued on Tu
China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co
Guys, heres another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and whats called seminal quality have declined over the last few decades. So researchers from two fertility clinics in Spain loo
According to the Washington Post of September 26, Japan's government has been paying more attention to the nations fertility rate, which influences the country's economic development。 The coastal region of Fukui has Japan's biggest share of dual-in