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聽力練習通過電子郵件傳遞關于政治候選人的流言蜚語比網頁和博客更加容易取信于人。During the 2008 presidential election, the Internet became a giant rumor mill. F

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60秒科學:多吃維他命 可能“要他命”

It can be tough to keep up with dietary trends. Like eating eggs: good for you or bad? But one thing is certain. Taking a multivitamin is a healthy choice. Isn

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