题目

第二节 根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 Warren BuffettFor someone who is such a successful investor（投资商）, Warren Buffett comes off as a pretty ordinary guy. He was born on August 30, 1930.   76     He used to go door-to-door and sell soda water. When his family moved to Washington, Buffett became a paperboy for The Washington Post. Buffett ran his five paper routes and even added magazines to round out his product offerings. While still in school, he was making $175 a month, a full-tim在西汉时期我国已发现了湿法冶铜的方法，这种方法是指A.氢气还原氧化铜B.一氧化碳还原氧化铜C.铁与硫酸铜溶液反应D.铁与氧化铜反应