问题补充：
When you meet a new word in reading the English papers, you can guess its meaning but needn’t always the dictionary.
A. look up
B. attach to
C. pay attention to
D. refer to
答案：
A. look up
B. attach to
C. pay attention to
(答案→)D. refer to
解析：词组辨析。在读英语论文是遇见新单词你可以猜测不必总是查字典。A. look up查找B. attach to 附加C. pay attention to注意 D. refer to 查阅根据语境选D
