金属材料的力学性能有几种?
参考答案：
有弹性、塑性、强度、硬度、冲击韧度和疲劳强度等六种。
In front of ______ remained of my old house,I took some pictures,which called up my childhood.
A．where
B．which
C．what
D．the place
两个及两个以上申请人向同一登记机关申请登记相同个体工商户名称的。登记机关应当如何处理？
