题目

阅读理解 The TED speaker series features “ideas worth spreading”. With over 1,400 to choose from, we've selected a few that are perfect for students. Larry Smith: Why you will fail to have a great career We humans may have an unfavorable habit of making excuses for ourselves of or being too confident about ourselves. Accordingly, Larry Smith, a professor of economics at the University of Waterloo in Canada, tells us why most of us will fail to have a great career. Luckily, as he puts it, there is a way out-follow your heart, as long as it is good for your career. Andy Puddicombe: All i5月21日是“世界无烟日”，烟气中含有一种能与血液中血红蛋白结合的有毒气体是 (  ) A. CO2 B.O2 C.CO D.H2