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问题 单项选择题

某项功能的所有产品的最低成本线是C=1+0.4P，已知该企业产品该项功能水平为P=10，实际成本为10元，则其产品功能的价值系数为______。

A．5/7
B．2
C．3.5
D．0.5

答案

参考答案：D

解析： 产品功能的价值系数=(1+0.4×10)/10=0.5。

填空题


试题源程序文件清单如下：
//main.cpp
#include＜iostrcam.h＞
class vehicle
private:
int MaxSpeed;
int Weight;
public:
//**********found**********
vehicle(int maxspecd,int weight): (1)
～vehiclc();
int getMaxSpeed()return MaxSpeed;
int getWeight()return Weight;
:
//**********found**********
class hicycle: (2) public vehicle
pnvate:
int Height;
public:
bicycle(int maxspeed ,int weight,int height):vehicle( maxspeed ,weight), Height( height)
int getHeight()return Height;;
;
//**********found**********
class motorcar: (3) public vehicle
private:
int SeatNum:
public:
motorcar( int maxspeed,int weight,int sealnum):vehicle( maxspeed, weight), SeatNum( seatnum)
int getSeatNum()return SeatNum;;
;
//**********found**********
class motorcycle: (4)
public:
motorcycle( int maxspeed ,int weight,int height):
vehicle( maxspeed ,weight), bicycle( maxspeed, weight, height), motorcar( maxspeed, weight,1)
;
void main()
motorcycle a(80,150,100);
cout＜＜a. getMaxSpeed()＜＜endl;
cout＜＜a. getWeight()＜＜endl;
cout＜＜a. getHeight()＜＜endl;
cout＜＜a. getSeatNum()＜＜endl;
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单项选择题

企业利润的基本计算公式为( )。

A．利润总额＝营业利润+投资净收益+其他业务利润

B．利润总额＝营业利润+投资净收益+营业外收支净额

C．利润总额＝营业利润+其他业务利润-管理费用-财务费用

D．利润总额＝营业利润+其他业务利润-税金
查看答案