【单选题】---What’s your favorite ______? ---Hamburger.
【简答题】In 1997, I found myself in a situation I never thought I'd be in: alone and begging for money in New York. My father had been separated from our family, and my mother had recently died from complicat...
【判断题】Undoubtedly, competition sport must convey spirit of fair play.
【单选题】支持单模光纤的千兆以太网物理层标准是 。
【判断题】Unfortunately, competition sport must convey spirit of fair play.
【简答题】正常骨髓涂片中最大的细胞是巨核细胞,其胞浆内有____形成。
【单选题】Last year, Joan bought 50 pounds of hamburger when her household ’s income was $40,000. This year, her household income was only $30,000 and Joan bought 60 pounds of hamburger. All else constant, Joan...
A.
negative, so Joan considers hamburger to be an inferior good
B.
positive, so Joan considers hamburger to be a normal good and a necessity
C.
positive, so Joan considers hamburger to be an inferior good
D.
negative, so Joan considers hamburger to be a normal good but not a necessity
【简答题】( ) 我国著名的民主革命家、教育家。为发展中国教育文化事业功绩卓 著。称他为 “学界泰斗,人世楷模”