地质构造的形态多种多样，概括起来可分为（）。
A.单斜构造
B.褶曲构造
C.断裂构造
D.滑移构造
参考答案：A, B, C
According to the newly-made traffic regulation, whoever drives through red light ________ be fined
at least 200 dollars. [ ]
A. shall
B. may
C. would
D. should
脑血栓形成最常见的病因是
A．高血压B．脑动脉炎C．红细胞增多症D．先天性动脉狭窄E．脑动脉粥样硬化
