The president spoke at the business meeting for nearly an hour without his notes.
A. looking down
B. bringing up
C. trying on
D. referring to
网友回答
A. looking down
B. bringing up
C. trying on
(答案→)D. referring to
解析：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。