【单选题】Product mix width refers to the ________.
A.
number of versions offered for each product in the line
B.
ways in which the various product lines are related
C.
number of different product lines the company carries
D.
total number of items a company carries within its product lines
E.
total market share captured by the entire product line
【单选题】编制工程量清单出现计算规范附录中未包括的清单项目时,编制人应作补充,下列关于编制补充项目的说法中正确的是( )。
A.
补充项目编码由附录顺序码与B和三位阿拉伯数字组成
【判断题】在《市政工程工程量计算规范》中要求,编制工程量清单出现附录中未包括的项目,编制人应做补充。
【判断题】稽留热的特点每日温差变化大于1°C( )
【单选题】若f(x)为可导,可积函数,则下面结果正确的是( )
【单选题】已知函数 在 上可导,其导函数为 ,若 满足: , ,则下列判断一定正确的是 ( )
【简答题】以下判断正确的是 ( ) .函数 为 上可导函数,则 是 为函数 极值点的充要条件. .命题“ ”的否定是“ ”. .命题“在 中,若 ”的逆命题为假命题. .“ ”是“函数 是偶函数”的充要条件.
【单选题】Product differentiation refers to the
A.
ability of the buyers of a product to negotiate a lower price.
B.
response of incumbent firms to new entrants.
C.
belief by customers that a product is unique.
D.
fact that as more of a product is produced the cheaper it becomes per unit.