【单选题】神经纤维中相临两个锋电位的时间间隔至少应大于
【简答题】It cost me one pound, p____ 10 pence to have the letter posted.
【单选题】资产评估结果有效期通常为一年,这一年是从 ( )算起的。
【判断题】When an object’s internal data is hidden from outside code and access to that data is restricted to the object's methods, the data is protected from accidental corruption. 如果从外部代码中隐藏了对象的内部数据,并且只能通过对象的...
【简答题】It cost me one pound,____ 10 pence to have the letter posted.
【单选题】资产评估结果有效期通常为一年,从( )算起。
【单选题】Which of the following is an advantage of using an internal database?
A.
Data always remains current in internal databases.
B.
Highly sophisticated equipment and techniques are not required for maintaining internal databases.
C.
Internal databases can be accessed more quickly and cheaply than other information sources.
D.
Internal databases require less maintenance efforts.