问题
选择题
Although the increase in the present sum used for the research is________， a great breakthrough could still be achieved by the end of this year.
A．common
B．sudden
C．enormous
D．modest
答案
答案：D
考查形容词辨析。modest不太大的。尽管目前用于研究的资金只是稍微有所增加，但今年年底我们仍可以有大的突破。