控制系统电缆是仪表系统所使用的主要电缆，对线路的电阻要求较高，一般都采用（）。
A、铝质电缆
B、铜质电缆
C、银质电缆
D、铜镍合金电缆
参考答案：B
胃中苦浊
Can you make sure ______ the gold ring?
A．where Alice had put
B．where did Alice put
C．where Alice has put
D．where has Alice put
