Remarks of Vice President Joe BidenAs Prepared for DeliveryWeekly AddressDecember 4, 2010 Hi, this is Joe Biden. I’m filling in for President Obama this weekend because he’s on his way bac
英语演讲稿-01 i have the answer to a question that we've all asked. the question is, why is it that the letter x represents the unknown? now i know we learned that in math class, but now it's everywhere
美国俄克拉何马城——曾是全美肥胖症最普遍的城镇之一。市长米克·科内特分享市民全民瘦身累计100万磅的经历。 Mick Cornett: How an obese town lost a million pounds 一个“肥胖”的城镇如何“瘦身”100万磅 How many of you have been to Oklahoma City? 在座的
