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【单选题】
三面投影图的关系是（），称为“三等关系”.A.
长相等、宽对正、
B.
长对正、宽平齐、高相等
C.
长平齐、宽相等、
D.
长对正、宽相等、
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【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 _____________.
A.
Product publicity
B.
Press relations
C.
Public affairs
D.
Government relations
【单选题】What is the passage mainly about?
A.
The evolution of dance in the twentieth century.
B.
Artists of the last century.
C.
Natural movement in dance.
D.
A pioneer in modern dance.
【单选题】The law of the regional government ______ the people from committing acts of violence.
A.
protect
B.
restrain
C.
restrict
D.
retain
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