问题补充:
Our headmaster spoke at the parents meeting for one hour without his notes.
A. looking up
B. bringing out
C. referring to
D. learning about
答案:
A. looking up
B. bringing out
(答案→)C. referring to
D. learning about
解析:短语辨析。A查找;B取出,拿出;C参考,查阅,提及;C了解;句意:我们的校长不看笔记本在家长会上讲了一个小时。根据句意说明C正确。