镀铅薄板的镀层中，铅起到提高钢板（）的作用。
A、耐熔性
B、硬度
C、强度
D、耐蚀性
参考答案：D
Their carelessness ______ the failure. That is to say, the failure_____ their carelessness.
A．resulted in; was resulted from
B．resulted from; resulted in
C．resulted in; resulted from
D．was resulted from; resulted in
股权分置改革
