So Archie splits the men under his care as best he can into two equal groups. 所以阿奇就把他的病人平分成两组人。他给其中的一半维他命C。他给另一半维他命B12。 He gives half of them vitamin C. He gives half of them vitamin B12. 他给其中的一半维他命C。
April 18, 2008 THE PRESIDENT: Thank you for the gracious welcome. Austin, thanks for your kind introduction. Thanks for giving me this unusual speaking opportunity. I understand that this program buil
One illustration of the transformational power of technology is in Kibera. 一个与科技改革力量有关的例子发生在基贝拉 Kibera is one of Africa's largest slums. 基贝拉是非洲最大的贫民窟之一 It's on the outskirts of Nairobi, the ca
名人演讲特辑之二：马克吐温为女性权利发声 Votes for Women By Mark Twain Ladies and Gentlemen — It is a small help that I can afford, but it is just such help that one can give as coming from the heart through the mouth. T
Remarks of President Barack ObamaAs prepared for deliverySaturday, October 16, 2010Washington, DC After a decade of hardship for middle class families, and a recession that wiped away millions of jobs
