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【单选题】
根据治安管理处罚法的规定，违反治安管理行为超过追究时效，( )。A.
免予处罚
B.
不予处罚
C.
减轻处罚
D.
不再处罚
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举一反三
【简答题】指出下列名词的主要区别:一次渗碳体、二次渗碳体、三次渗碳体、共晶渗碳体、共析渗碳体。
【简答题】指出下列名词的主要区别: 一次渗碳体、二次渗碳体、三次渗碳体、共晶渗碳体与共析渗碳体
【单选题】Our visit to the excavation of a Roman fort on a hill near Coventry was of more than archaeological interest. The year's dig had been a fruitful one and had assembled evidence of a permanent military ...
A.
of purely archaeological interest.
B.
fruitful because a complete pot was discovered.
C.
interesting in more than one way.
D.
made by a group of prisoners.
【简答题】分度圆直径等于 ( ) ,两啮合齿轮的中心距等于( )。(用英文字母表达的公式表示)
【单选题】Our visit to the excavation of a Roman fort on a hill near Coventry was of more than archaeological interest. The year's dig had been a fruitful one and had assembled evidence of a permanent military ...
A.
of purely archaeological interest
B.
fruitful because a complete pot was discovered
C.
interesting in more than one way
D.
made by a group of prisoners
【简答题】分度圆半径与节圆相等时，标准齿轮传动的中心距是____（用d1、d2和/的公式表示）。
【单选题】下列哪一项不是细胞间信息交流的方式 [ ]
A.
胰岛细胞形成的胰岛素通过血液运输作用于组织细胞
B.
精子和卵细胞相互接触完成受精作用
C.
细胞膜将细胞与环境分隔开
D.
高等植物细胞之间通过胞间连丝相互连接
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