国家通过立法强制实行的,由社会集中建立基金,对因失业而暂时中断生活来源的劳动者提供物质帮助的制度,是()
A.失业保险
B.养老保险
C.医疗保险
D.工伤保险
参考答案:A
She has________a lot of things, so she knows exactly how to deal with such a person. [ ]
A. gone through
B. got through
C. gone by
D. gone into
大气过电压