顶板的构造裂隙发育,顶板岩石就会被“弱化”,这时支承压力则()。
A.变大
B.不变
C.变小
D.与裂隙面有关
参考答案:C
The traffic problems we are looking forward to seeing should have attracted the government’s attention.
A.solving
B.solve
C.solved
D.to solve
急性阑尾炎最常见的并发症是()
A.弥漫性腹膜炎
B.局限性腹膜炎
C.化脓性门静脉炎
D.细菌性肝脓肿