题目

If you’ve applied or are currently applying to Ivy (常春藤) League schools, you’ve likely heard the phrase “Ivy Day”.What Is Ivy day?Ivy Day, or Ivy Admissions Day, is the day when all Ivy League schools release their regular admissions decisions online for regular decision first-year applicants. The eight Ivie—Brown, Columbia, Cornell, Dartmouth, Harvard, Penn, Princeton, and Yale—typically release their decisions at the same exact time.Because all Ivies release their admissions notifications at the same time through their respective online portals (门户网站), and because a10．下列各组有机化合物的水溶液，不能用新制氢氧化铜悬浊液鉴别的是（　　）A．葡萄糖和乙醛B．丙醛和丙酮C．乙醛和乙酸D．蔗糖和葡萄糖