文章列表

• 1.【英语时差8,16】金星在黑暗中闪光
• When the suns ultraviolet light hits Venus atmosphere, it breaks up large molecules into fragments. As those atoms recombine later, some of their ener...
• 2.【英语时差8,16】鸟类荷尔蒙映射其生活策略(上)
• In the race of life, some animals are hares, running at top speed, producing lots of young and dying quickly. Others are tortoises, maturing slowly, p...
• 3.【英语时差8,16】公众投票的误差及可信度（上）
• Pollsters looking for the opinion of the American public obviously cant survey everyone. But by surveying a smaller, random sample of the population t...
• 4.【英语时差8,16】行星撞地球了怎么办？（上）
• One day you walk down to the local deli for lunch and are on the way back to work when you find a piano has fallen on the sidewalk, right where you pa...
• 5.【英语时差8,16】嘴唇为何会干？（上）
• Lets start by reviewing the ways in which the surface of our lips is different from the surface of the skin on the rest of our bodies. Basically, our ...
• 6.【英语时差8,16】行星撞地球了怎们办？（下）
• Oh come on, you say. Would a collision really have been that bad? After all, the earth has a diameter of eight thousand miles. Being hit by a half-mil...
• 7.【英语时差8,16】公众投票的误差及可信度（下）
• How confident can the surveyor be about an estimated margin of error? To measure this, surveys also have what is called a confidence level, which is t...
• 8.【英语时差8,16】美国平均寿命落后于其他国家（下）
• For example, a trend in U.S. health care in recent years has been to promote early and frequent screening for diseases. While screening is generally h...
• 9.【英语时差8,16】手势（上）
• You know radio is a great thing. Communicating by voice alone has its drawbacks, though.For example, I cant use hand gestures to clarify what I mean. ...
• 10.【英语时差8,16】飞鱼真的会飞？（下）
• Wind passing under and over the wings creates lift, which sends the fish gliding through the air. The fish slaps at the water with its tail to keep th...