The president spoke at the business meeting for nearly an hour without _____ his notes
A.looking downB.bringing upC.trying onD.referring to在线课程D
试题分析：短语辨析。Look down on看不起；bring up抚养，呕吐；C试穿；D参考，查看；涉及；句意：总统在会议上讲了几乎一个小时也没有看笔记本。故D正确。
考点：考查短语辨析
点评：动词的短语辨析要根据上下文的语境辨析，在平时也要加强识记的理解。