四级阅读：奥巴马看射杀拉登 表情冷淡眼神空洞 President Obama was watching on a TV screen as a commando gunned down Osama Bin Laden. Via a video camera fixed to the helmet of a...
The New Gender Gap When the leaders of the Class of 2003 assemble in Lawrence High's fluorescent-lit1 meeting rooms, most of the boys are nowhere to be seen. The senior class...
64-Bit Takes Off 64-bit desktop computing has taken a significant step toward becoming a pervasive reality:AMD's ( Advanced Micro Devices ) release of its Athlon 64 chips — a...
How Long Could You Go Without Complaining Baseball fans are gearing up for the World Series, but we all know what's the real national pastime: complaining. Could you go withou...
The rise of multinational corporations (跨国公司), global marketing, new communications technologies, and shrinking cultural differences have led to an unparalleled increase in gl...
A new analysis of federal money that public schools receive for low-income students shows that a record number of the nation’s school districts will receive less in the coming ac...
Federal Express is a company that specializes in rapid overnight delivery of high-priority packages. The first company of its type, Federal Express was founded by the youthful Fre...
By 1970, according to a World Wildlife Fund report, only about 4,500 tigers survived throughout the world-half of them in India. Mr. Foresters, who followed and counted tiger foot...
A remarkable variety of insects live in this planet More species of insects exist than all other animal species together. Insects have survived on earth for more than 300 million...
The Earth comprises three principal layers: the dense, iron-rich core, the mantle made of silicate (硅酸盐) that are semi-molten at depth, and the thin, solid-surface crust There...
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