【单选题】( )是指对于志在必得的交易谈判,故意通过各种措施,让对方感到自己是满不在乎的态度,从而压制对手开价,确保己方在预想条件下成交的策略。
【单选题】以下关于C语言的自定义函数描述错误的是( )。
【单选题】Supply is perfectly elastic if the supply curve is ( ) and the elasticity of supply is ( )
【判断题】A movement along a supply curve is called a change in supply while a shift of the supply curve is called a change in quantity supplied.
【单选题】The supply curve is influenced by
A.
the number of customers in the market.
B.
the prices of the inputs required to produce the product.
C.
the income of consumers.
D.
whether the economy is free-market or command.
【单选题】下列关于C语言与C++中的输入输出的描述中,错误的是( )
A.
在C语言中,都是使用scanf()与printf()函数进行输入输出,往往不能保证所输入输出的数据是可靠安全的
B.
C++系统的输入输出对数据类型进行严格的检查
D.
C++中的IO流类在安全性与可扩展性方面相比C语言都有所提高