数字万用表选择“μA”档测量电流时，其能测量的电流范围为哪项？
A. 0~10A
B. 0~400mA
C. 0~6000mA
D. 0~6000μA
车辆诊断仪的功能有
A. 控制车辆部件动作
B. 读取车辆的故障码
C. 查看车辆运行数据
D. 清除车辆故障码
进行车辆检修时，只能用车辆专用万用表，不能用普通万用表
A. 对
B. 错
which of the following is not a characterisctic of British government?
A. it offers the Queen high politcal status and supreme power
B. it is both a parliamentary democracy and a constitutional monarchy
C. it is one of the oldest representative democracies in the world
D. it has no written form of constitution
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