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New Heart Stents Better Than Old Ones, Study Says A heart stent is a mesh tube made of metal that, when inserted into an artery, keeps it open. Stents can be metal only or they can contain medicine released once the stent is in place. These are calle
VOA标准英语2012年(九月)
Once a week, Neil went grocery shopping. He always made a list, but he always forgot to put one or more items on the list. This used to anger him, but now he just accepted it. You're not as sharp as you used to be, he told himself. It was Fridayshopp
365个英语简短小故事
New Drug Makes Surgery Safer For Patients With Stents Heart stents open blocked arteries and restore blood flow. They can also help support weak arteries and keep them open. Stents are implanted during a common procedure called angioplasty. During th
VOA标准英语2012年(一月)
By Carol Pearson Washington, DC 08 November 2006 watch Heart Stent report Heart stents are lifesaving medical devices that help prevent heart attacks. Most of these stents are coated with various drugs, but mounting data suggest drug-coated stents c
2006年VOA标准英语（十一月)
CHENGDU, Sept. 3 (Xinhua) -- A list of this year's top 500 Chinese enterprises was unveiled in the city of Chengdu in southwest China's Sichuan Province on Saturday. The Sinopec Group was ranked first, with last year's revenues reaching 1.97 trillion
英语新闻
今天我们要学的词是celebrity。 Celebrity, 名人。还记得参加美国达人并一举成名的歌手亚当.兰伯特吗？ Adam Lambert was named the sexiest male celebrity of 2010, 亚当.兰伯特荣获了2010年最性感男星的称号。
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