【简答题】我国票据法所规范的商业汇票可分为:( )。 A.商业承兑汇票 B.银行汇票 C.银行承兑汇票 D.跟单汇票 E.即期汇票
【单选题】树型拓朴结构的网络,中心结点采用集线器时,其逻辑拓朴结构是( )
【单选题】We often play basketball with __________ at the weekends. [ ]
【单选题】In some countries it is common to on buses for the elderly and the disable.