平刨床的安全防护装置主要作用是防止手触及（），发生事故 A.木料 B.木屑 C.刨刀

16V240ZJB型柴油机机油系统由哪些主要部分组成？

男性，34岁，右胸车祸伤1小时，呼吸困难，发绀。查体：右前胸可见反常呼吸运动。患者吸气时，下列哪项病理生理变化是不正确的（）

A.纵隔移向健侧

B.软化胸壁内陷

C.伤侧膈肌上升

D.静脉回流受阻

E.二氧化碳滞留

Virtualization is an approach to IT that pools and shares（）so that utilization is optimized and supplies automatically meet demand. Traditional IT environments are often silos, where both technology and human（）are aligned around an application or business function. With a virtualized（）, people, processes, and technology are focused on meeting service levels，（）is allocated dynamically, resources are optimized, and the entire infrastructure is simplified and flexible. We offer a broad spectrum of virtualization（）that allows customers to choose the most appropriate path and optimization focus for their IT infrastructure resources.

Virtualization is an approach to IT that pools and shares（）so that utilization is optimized and supplies automatically meet demand.

A．advantages

B．resources

C．benefits

D．precedents

富山事件”是1931年在日本富山县神通川流域发现的一种土壤污染事件。由于食用了受污染的稻米，造成数百人出现关节痛、骨痛、神经痛、骨骼萎缩、骨折等症状，截至1977年共有207人因此丧生。造成该事件的主要重金属元素是？（）

A.铅

B.锌

C.镉

复议期间行政处罚不停止执行。但有哪些情形可以停止执行？