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The story of how we have systematically observed the heavens begins in the days before recorded time. For primitive man, the sun reigned supreme. Its recurring cycles of light and darkness formed the
疯狂英语2001年
This is the VOA Special English Health Report. Cardiopulmonary resuscitation, or CPR, can save the life of someone whose heart has stopped. The condition is called cardiac arrest. The heart stops pumping blood. The person stops breathing. Without li
VOA慢速英语2007年（三）月
You're in the supermarket, and a man collapses. He's gasping. It's CPR time. But wait, was it 20 compressions, two breaths, or 15 to every one breath? Can't remember? Well you may not have to. Because theres hands-only CPRpressing the chest fast and
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By Carol Pearson Washington 25 July 2007 You may have heard about young athletes, still teenagers, whose hearts stop beating, sometimes while playing sports. In many of these cases, their parents and doctors find out after the fact that these young a
2007年VOA标准英语（七月）
Dog Property Laws 狗的财产法则 1. If I like it,it's mine. 1. 我喜欢的东西，就是我的。 2. If it's in my mouth, it's mine. 2. 在我嘴里的东西，就是我的。 3. If I can take it from you, it's mine. 3. 我能从你那儿拿过来
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