【简答题】定义一个复数类 Complex,重载运算符“+”,使之能用于复数的加法运算。参加运算的两个运算量可以都是类对象,也可以其中有一个是整数,顺序任意。例如:c1+c2,i+c1,c1+i均合法(设i为整数,c1,c2为复数)。编程序,分别求两个复数之和、整数和复数之和。初值自拟。 2. 有两个矩阵 a和b,均为2行3列。求两个矩阵之和。重载运算符“+”,使之能用于矩阵相加。如c=a+b。初值自拟。 3...
【单选题】Democratic Congressmen suggested that the government should ______.
A.
be enthusiastic in providing a drug benefit to the people
B.
Oppose the new legislation with thundering protests
C.
give more money, so to speak, to medicine makers and retailers
D.
provide financial assistance to people wanting to buy life insurance
【单选题】The PR specialists pay close attention to government policy changes, and try to help local governments with projects of public management. This PR activity is called _____________.
【多选题】目前世界各国养老保险制度的模式主要有 。
【单选题】The law of the regional government ______ the people from committing acts of violence.
【判断题】加力燃烧室主要作用是使发动机在中间状态下,实现短时间增加推力。
【单选题】马克思主义哲学与旧唯物主义的根本区别在于
A.
前者是理论化的世界观,后者不是理论化的世界观
B.
前者吸取了具体科学的成果,后者没有吸取具体科学的成果
D.
前者以实践为出发点和归宿,后者不懂得实践的意义