单项选择题根据《DLT_5424-2009水电水利工程锚杆无损检测规范》规定，单根锚杆检测的有效波形记录不应少于（）个，且一致性较好 A 2 B 3 C 4 D 5
单项选择题The banks is reported in the local newspaper ____________ in broad yesterday. A. to be robbed B. robbed C. to have been robbed D. having been robbed
