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【单选题】
在以下,哪一行执行了拆箱操作( ) public static void Main() { int i = 10; object obj = i; //Line:1 Console.WriteLine(“{0},{1}”,i,obj); //Line:2 int j = (int)obj; //Line:3 Console.WriteLine(“{0},{1}”,j,obj); //Line:4 }A.
Line:1
B.
Line:2
C.
Line:3
D.
Line:4
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反馈参考答案：
举一反三
【判断题】The PSC inspection is conducted by officers who represent the maritime administrations in each country.
A.
正确
B.
错误
【简答题】Who is the young black attorney that agrees to
represent Andy in a lawsuit against Andy‘s former employers?A. Charles Wheeler B. Miguel Alvarez C. Will Freeman D. Joe Miller
【简答题】脂肪组织的甘油三酯是如何分解的?受何因素调节?
【单选题】Betty is the only one of the students who______to represent the group.
A.
have been chosen
B.
has been chosen
C.
have chosen
D.
has chosen
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