以下哪个基类中的成员函数表示纯虚函数A.virtual void vf(int) B

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问题:

以下哪个基类中的成员函数表示纯虚函数

A.virtual void vf(int)

B.void vf(int)=0

C.virtual void vf(=0)

D.virtual void yf(int)

考点:计算机等级考试C++二级C++笔试
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对于一氧化碳中毒患者,皮肤黏膜呈().

A.黑色

B.青紫色

C.暗红色

D.樱桃红色

E.苍白色

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用所给词的适当形式填空,每词限用一次。
hand out   see   hold   start   serve  fall asleep   help
1. This café ________ afternoon tea from three to five every day in England.
2. —How old were you when you ________ learning English?
   —Ten years old.
3. The 2008 Olympic Games ________ in August in China. 
    By then lots of athletes and tourists are coming for it.
4. —Where is Dave? —He________ clean up the city parks with other volunteers.
5. —Are you going to the film "King of Kongfu" with us? —No, thanks. I ________ it.
6. Last night he found it difficult ________ because of the loud noise outside.
7. He works par-time by ________ advertisements in the supermarket.
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中国古代美学中与“崇高”相近的范畴包括()。

A.壮美

B.阳刚

C.含蓄

D.飘逸

E.大

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保证收益理财计划

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教育部的视频课程中讲解“数学大观”的是()。

A.向守平

B.杨光明

C.顾沛

D.李尚志

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