【Speech Video】 President Obama speaks about the Federal response to the Deepwater BP Oil Spill and answers questions from the media. 【Part 1】 Good afternoon, everybody. Before I take your questions, I
March 22, 2008 THE PRESIDENT: Good morning. This weekend, families across America are coming together to celebrate Easter. This is the most important holiday in the Christian faith. And during this sp
And then in later experiments, we found the opposite, 而在随后的实验中，我们发现了相反的情况， that fir was sending more carbon to birch than birch was sending to fir, 花旗松给纸皮桦送的碳比纸皮桦给它的碳多， and this was because the fir wa
乔·科望: 我如何战胜怯场 Joe Kowan:How I Beat Stage Fright 人类那精准的恐惧感曾在远古时期大有裨益，帮助人们集中注意力避免被野兽吃掉。但是，当你在周二晚上“麦克风开放日”站在20个乡村音乐爱好者面前准备表演时，这种自发控制了整个身体的恐惧感就不是什麽好事了。手心出汗，手掌颤抖，视线模糊，大脑在大叫“快跑&rdqu
