考虑到投资者网上浏览的效率,首次公募股票时,主承销商须对招股说明书进行概括总结,然后在网上公布。( )
参考答案:错
Please look after our dog while we're __________.[ ]
A. leave
B. away
C. leaving
D. far away
简述如何认识城市电网?