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【单选题】
Based on Fact 5, would Student 2 agree that by the time Algol A stops being an MS star, Algol A will have spent as much time being an MS star as Algol B spent being an MS star?B.
Yes, because according to Student 2, Algol A has always been more massive than Algol B. B.Yes, because according to Student 2, Algol A has always been less massive than Algol B.
C.
No, because according to Student 2, Algol A has always been more massive than Algol B.
D.
No, because according to Student 2, Algol A has always been less massive than Algol B.
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举一反三
【单选题】下面函数的返回值是( )。 function subc() { vari,j=9; while(i=j-1) { j-=3; if(j<5)break; i++; } return j; }
A.
3
B.
0
C.
1
D.
-2
【简答题】下面描述中，正确的是()。 (A)虚函数是没有实现的函数 (B)纯虚函数是返回值等于0的函数 (C)抽象类是只有纯虚函数的类 (D)抽象类指针可以指向不同的派生类