商业汇票只能在出票时向付款人提示承兑后使用。()
参考答案:错
解析:商业汇票的办理和使用要求 商业汇票可以在出票时向付款人提示承兑后使用,也可以在出票后先使用再向付款人提示承兑。
Don't ______________ late for school! [ ]
A. be
B. is
C. am
D. are
An architectural style defines as a family of such systems in terms of a (1)of structural organization. More specifically, an architectural style defines a vocabulary of(2) and connector types, and a set of (3) on how they can be combined. For many styles there may also exist one or more (4) that specify how to determine a system’s overall properties from the properties of its parts. Many of architectural styles have been developed over the years.
The best-known examples of (5) architectures are programs written in the Unix shell.
(4)是()
A. semantic models
B. weak entities
C. data schemas
D. business models