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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). 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】假定被估房产剩余使用年限为永续，在剩余年限中，前3年的每年预期纯租金收入分别为3万元、2万元和1万元，从第四年到永续，该地产纯收益保持在3万元水平上，折现率为10%，该地产的评估值最接近于( )万元。
A.
28
B.
32
C.
25
D.
30
【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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