如图所示，当开关S闭合后，要使电阻R1、R2并联，甲表是_________、乙表是________。（选填“电流表”或“电压表”）
电压表；电流表
The exam he paid no attention to _____ him the chance to go to college.[ ]
A. being cost
B. be cost
C. costing
D. cost
安全管理的对象有哪些？
