无线局域网的英文缩写是（）
A.VLAN
B.WAN
C.WLAN
D.VP
参考答案：C
How do you do? Glad to meet you.（）
A.Fine. How are you?
B.How do you do? Glad to meet you, too.
C.How are you? Thank you!
D.Nice. How are you?
为降低变压器铁心中的（），叠片间要互相绝缘。
A、无功损耗
B、空载损耗
C、涡流损耗
D、短路损耗
