手三阴经即手______，手______，手______。
参考答案：太阴肺经、厥阴心包经、少阴心经
As we all know, surfing _____ Internet has now become _____ popular means of getting information.
A．the; the
B．/; the
C．the; a
D．/; /
根据《JJG1021-2007电力互感器检定规程》规定，500kV电压互感器检定时最高电压为额定电压的（）倍。
A.1
B.1.1
C.1.15
D.1.2
