流动人口中重点人口的漏管率不高于（）。A、5% B、10% C、15% D、20%_爱下问搜题

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问题单项选择题

流动人口中重点人口的漏管率不高于（）。

A、5%

B、10%

C、15%

D、20%

答案

参考答案：A

选择题

Leonardo da Vinci (1452-1519) ____ birds kept in cages in order to have the pleasure of setting them free.

A．is said to be buying

B．is said to have bought

C．had said to buy

D．has sad to have bought

单项选择题

儿童体格锻炼时不合适的是()

A．空气浴

B．冷水浴

C．日光浴

D．温水浴

E．户外活动