题型:选择题 —Have you ever heard of Dolly, the cloned sheep? —Yes, she _____ in Scotland a few years ago. [ ]A. createdB. was discoveredC. was created D. creating 查看答案
题型:单项选择题 Q/GDW1373—2013《电力用户用电信息采集系统功能规范》要求电能表通信参数的自动维护中,集中器自动发现管辖范围内的()的变化,自动更新测量点参数并上报主站。A.电能表B.采集器C.互感器D.电能表和采集器 查看答案