问题
选择题
The discovery of these tombs is _______ for scholars’ studying the history of the Tang Dynasty.
A．of very important
B．great importance
C．of great significance
D．great significant
答案
答案：C
考查： of + 名词，相当于形容词的用法，of great significance =" very" significant，句意：这些坟墓的发现对研究唐代历史的学者们非常有意义。所以选C。