题目内容:
So far scientists have only acquired______understanding of the physical processes that cause earthquakes.
A.a partial
B.a changeable
C.an original
D.an individual
参考答案:【答案仅供学习,请勿对照自行用药等】
So far scientists have only acquired______understanding of the physical processes that cause earthquakes.
A.a partial
B.a changeable
C.an original
D.an individual