【单选题】Which of the following is NOT true? ______.
A.
Computers perform. not only data processing function in business, but also are used as tools in
B.
Problem-solving and decision-making
C.
In performing certain data processing tasks, computers can process information more efficiently and effectively than humans
D.
A company or individual must buy a computer system in order to be able to use one
【单选题】It is only thanks to the powerful new computers______worthwhile prediction in human affairs has been possible at all.
【单选题】一个国家或地区的居民教育程度和文化水平、宗教信仰、风俗习惯、审美观念、价值观念等,属于企业外部环境中的:
【单选题】如果焊缝和()不在接头的同一侧,则将焊缝基本符号标在基准线的虚线侧。
【单选题】Tom is very __________ at using computers, though he is only a high school student.
【单选题】风俗习惯、宗教信仰、价值观念等属于( )。
【简答题】#include using namespace std; class A { public: A( ); ~A(); A(int i, int j); void print( ); private: int a, b; }; A::A( ) { a=b=0; cout<<"Default constructor called.\n"; } A::~A( ) { cout<<"Destructo...