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【判断题】
派生类中至少包含了它的所有基类的成员（除构造函数和析构函数外）,在这些成员中可能有的是不可访问。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】已知一条单相配电线路，电源端电压为220V，负载电流为100A，线路总电阻为0.2Ω，则负载端电压为（ ）V。
【单选题】Lincoln was invited to speak at the National Soldiers Cemetery because he was __________
A.
a famous speaker
B.
a very handsome man
C.
President of the country
D.
a popular statesman
【简答题】spea_
【单选题】Which of the following statement about persuasive and argumentative writing is true?
A.
Unlike persuasive writing, an argumentative essay is more concerned with beliefs than with behaviours.
B.
Unlike argumentative writing, a persuasive essay is more concerned with beliefs than with behaviours.
C.
Unlike argumentative writing, a persuasive essay must establish a clear thesis and follow sound reasoning.
D.
Unlike persuasive writing, an argumentative essay does not need to establish a clear thesis and follow sound reasoning.
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