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请将下列类定义补充完整。 class Base{public:void fun(){cout＜＜'Base::fun'＜＜end;}}； class Derived:public Base { public: void fun() { 【 】//显式调用基类的fun函数 cout＜＜'Derived::fun'＜＜endl； } };
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举一反三
【单选题】To attract more customers, some large stores ______.
A.
employ a company specializing in the use of smells
B.
provide free coffee for them
C.
filter purified air through air-conditioning
D.
decorate themselves with fresh flowers
【简答题】用万用表电阻档检测电容,看到的现象是( )。
【简答题】Some young employees of the firm have to find ways of some money _______ (as an additional job or source of income).
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