【简答题】三种常用的数据交换方式中,( )方式的通信实时性强,但对突发通信不适应、系统效率低、不具备存储数据的能力。
【单选题】经营日用品的网店需要对市场进行细分,属于人口变量的是( )。
【简答题】They
live inside a 6)____ . Then they become pupa. Slowly wings
develop, and when they come out of the cocoon, they come out as
butterflies.
【简答题】三种常用的数据交换方式中,( )方式的线路利用率高,信息传输可靠性高,可用于不同种类的终端间的通信。
【单选题】Whichof the following would be best described as a short-term tactical plan ? ()
A.
Reviewing cost variances and investigate as appropriate
B.
Comparing actual market share to budget
C.
Lowering the selling price by 15%
D.
Monitoring actual sales to budget