变压器的满载测试是检验变压器的()。
A、功率因数
B、输出功率
C、输出电压
D、输出电流
参考答案:B
负责申领建筑工程施工许可证的单位是( )。
A.建设单位
B.设计单位
C.施工单位
D.监理单位
句型转换。
1. He has to help his parents at home on Saturday.(改为一般疑问句)
_______ he________to help his parents a home on Saturday?
2. I can play soccer at 5:00 pm.(对画线部分提问)
_______ _______ _______play soccer?
3.I'm going to see the doctor with my friends this weekend.(对画线部分提问)
_______ _______ _______ _______ with your friends this weekend?