贯心脉行呼吸的气是
A．宗气B．元气C．卫气D．营气E．中气
参考答案：A
连接电路时，要按照一定______进行．连接过程中，开关应该是______的．
-- _______ are you going to the School Uniform Exhibition, Amy ?
-- To learn about different styles of school uniform.
A．What
B．Where
C．Why
D．Which
