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【单选题】

In terms of the current smoking ban in major cities,which is not correct below

A.
Do not smoke in any indoor public places, workplaces or vehicles
B.
Not smoking near women and children
C.
Individuals who smoke in indoor public places, such as restaurants and bars, will not be fined, business units will not be fined
D.
The public should dare to say No to second-hand smoke and actively discourage illegal smoking
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参考解析:
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【单选题】对于具有一定伊蒙混层矿物的低渗储层而言,下列哪个说法是合理的:()

A.
原始地层水矿化度较低时,注淡水开发储层渗透率会变高
B.
原始地层水矿化度较低时,注淡水开发储层渗透率会变低
C.
原始地层水矿化度较高时,注淡水开发储层渗透率会变高
D.
原始地层水矿化度较高时,注淡水开发储层渗透率会变低

【单选题】设计变量可分为离散变量和()

A.
分散变量
B.
离散不变量
C.
连续变量
D.
未知变量