多项选择题

饮用水卫生安全巡查对象包括（）

A.农村集中式供水
B.城市集中式供水
C.城市二次供水
D.学校供水

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关于行政许可费用的说法，( )是不正确的。
单项选择题
What do these five books have in common?A．Each of the articles in each book is introduced in detail.B．They are all published in the same year and have one article digest.C．Each of them is commented by a great man in the world.D．They all introduce the most influential people.
A.Each
B.
B．They
C.
C．Each
D.
D．They
E.
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