企业创新模式主要有“内生型”创新模式、“外生型”创新模式和( )创新模式三种。
A.“混合型”
B.“市场型”
C.“结合型”
D.“竞争型”
参考答案:A
将50mL酒精和50mL水混合,混合后的体积______100mL(填“大于“、“小于“或“等于.这个事实说明了______.
使用VC6打开考生文件夹下的工程test25_1,此工程包含一个源程序文件test25_1.cpp,但该程序运行有问题,请改正程序中的错误,使程序的输出结果如下:privatel from derived1:30privatel from derived2:30 源程序文件test25_1.cpp清单如下:/***************found******************/include<iostream.h>class baseprotected: int privatel;public: base(int p)privatel=p;;/****************found*******************/class derived1:public basepublic: derivedl(int p1):base(p1); int get_private()return private1;class derived2:virtua1 public basepublic: derived2(int p2):base(p2); int get_private()return private1;;class derived12:public derived1,public derived2public:/****************found*******************/ derived12(int p1,int p2,int pb):derived1(p1), base(pb), derived2(p2);;void main() derived12 d(10,20,30); cout<<"privatel from derived1:"<<d.derived1::get_private(); cout<<"\nprivatel from derived2:"<<d.derived2::get_private(); cout<<endl;