科学60秒:没有噪音不是我的错
That's the future sound ___1___ city streets. If President Obama has his way there will be one million electric vehicles on the road by 2015. This week the National Highway Traffic Safety Admini...
科学60秒:别把吃土的当怪人...
There’s a ___1___ that’s had scientists puzzled: the practice of geophagy—eating dirt. People around the world ___2___, and not just when they’re hungry enough to eat anything. So is there an...
科学60秒:白鲨年幼 未必凶猛
They’re everyone’s worst nightmare when it comes to swimming in the ocean: great white sharks. That’s despite the fact that the number of fatal shark attacks annually can usually ____1____. Bu...
体育:帆船争议
体育:帆船争议So ferocious were the celebrations following Australia’s victory in the 1983 America’s Cup that the then Prime Minister Bob Hawke said bosses who sacked workers for not turning up...