题目内容：

There has been a _____ increase in the teacher's salary in recent years.
(A) temporary (B) key (C) significant (D) wide
并请说明原因,
选择D,大大提高,为什么不对?

优质解答

选择C
There has been a significant increase in the teacher's salary in recent years
这些年教师的工资有了显著的提高
significant adj 重要的,重大的,可观的
在这 significant 意思应该是可观的