用数字万用表进行直流电流测量时，万用表应该与被测电路并联。
参考答案：错
______ people went to the concert that was held in Renming Square ______ the night of April 25.
A．Thousands of; in
B．Thousand; on
C．Many thousand; in
D．Thousands of; on
2千门以上1万门以下交换局、2千门以下长途局接地电阻值应≤（）欧姆.
A.1
B.2
C.3
D.4
