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【单选题】
我国饮用水的卫生标准( GB5749-85 )中规定A.
每毫升饮水中细菌总数不超过 100 个
B.
每毫升饮水中大肠菌群总数不超过 100 个
C.
每毫升饮水中粪大肠菌群数不超过 100 个
D.
每毫升饮水中细菌总数不超过 10 个
E.
每毫升饮水中大肠菌群总数不超过 10 个
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【单选题】有如下类定义，s是CStudent的一个对象，下列选项都是对该类的应用，正确的是（ ）class CStudent //定义类{private: int sid; //学号protected: char *name; //姓名public: float score; //成绩};
A.
cout<
B.
cout<
C.
cout<
D.
cout<
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A.
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B.
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A.
按委托人指示办事
B.
对邮寄单据遗失负责 / 延误、残缺
C.
在委托人未指定代收行时选定一家代收行
D.
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A.
discuss it with them
B.
gently let them know what you think of the situation
C.
avoid an argument at all costs
D.
A, B and C
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