【单选题】电子商务的英文名称是( )。
C.
Electronic Interchange
D.
Electronic Communication
【判断题】一次信息也称为第一手资料,如书目和索引。()
【判断题】一次信息资源也称为第一手资料,如书目和索引。
【判断题】English rhythm has neither vowel reduction nor vowel duration.
【单选题】The rhythm in English is ______.
【判断题】English poem has rhythm (韵律). Does Chinese poem has rhythm,too?