断层的性质和形态是由（）要素组成的。
A.断层面
B.断层线
C.断距
D.断盘
E.煤层倾角
参考答案：A, B, C, D
—Oh, this is really a big shop. Do you know when it ______?
—Last year. [ ]
A. built
B. was built
C. has built
D. has been built
“某甲是有罪的”与“某甲是无罪的”这两个性质判断之间是（）
A．反对关系
B．矛盾关系
C．差等关系
D．下反对关系
