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【判断题】
电焊变压器必须具有陡降的外特性。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【单选题】? Look at questions 1-5. ? In each question, which sentence is correct? ? For each question, mark one letter (A, B or C) on your Answer Sheet. Payment on the above order is now overdue.
A.
The order is not paid
B.
The order is not placed.
C.
The order is delayed.
【单选题】重载运算符的实质是函数调用,如果 在类 classA 上将 运算符 “ + ”重载为其友元函数 , c1 和 c2 是 classA 类的对象,那么 执行 c1+c2 ,则相当于执行了哪个函数调用 ( ) 。
A.
c1.operator+(c2);
B.
c1.operator+(c2,0);
C.
operator+(c1,c2);
D.
operator+(c2,c1);
【单选题】重载运算符的实质是函数调用,如果在类 classA 上将运算符“ + ”重载为其成员函数, c1 和 c2 是 classA 类的对象,那么执行 c1+c2 ,则相当于执行了哪个函数( )。
A.
c1.operator+(c2);
B.
c1.operator+(c2,0);
C.
operator+(c1,c2);
D.
operator+(c2,c1);
【单选题】?Look at questions 1-5. ?In each question, which sentence is correct? ?For each question, mark one letter (A, B or C). Evening dress necessary. ______ .
A.
You must wear your evening dress.
B.
You don't have to wear evening dress, but you can if you like.
C.
Evening dress will make you look nice.
【单选题】Which of the following is NOT a situation in which respondents are likely to refuse to answer a survey question?
A.
They may feel there's simply too much effort involved.
B.
They may feel that the question is not needed.
C.
They may feel that the information is too sensitive.
D.
The question is a screening question.
E.
All of the selections represent a circumstance where respondents are likely to refuse to answer a survey question.
【单选题】重载运算符的实质是函数调用,如果在类 classA 上将运算符“ + ”重载为其友元函数, c1 和 c2 是 classA 类的对象,那么执行 c1+c2 ,则相当于执行了哪个函数( )。
A.
c1.operator+(c2);
B.
c1.operator+(c2,0);
C.
operator+(c1,c2);
D.
operator+(c2,c1);
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