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单项选择题

当钢结构构件截面由以下( )因素控制时，选用低合金钢比选用强度较低的碳素钢节省钢材。

A.强度
B.刚度
C.稳定性
D.疲劳
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单项选择题
Sometimes I feel that being the mother of three small children is like operating a large circus(马戏团).（21）afternoon last week, my three sons playing peacefully in the back yard(院子),（22）the ball from one to another. I jumped at the chance to talk to one of my friends（23）the phone, but before I（24）to the phone, I could tell the boys had begun to quarrel with each other about something. I rushed out to（25）peace, but before I got there Charles had（26）a rock at Mark, and hit him in the eye. By the time I got to the back yard, they had begun to（27）about this. Even David, the oldest boy, who won′ t usually fight with anybody about（28）, was involved(卷入,). First, I（29）them stop fighting, and then I examined Mark′ s eye. I decided that it wasn′t going to develop into a black eye, but I felt that they should（30）at least a little for（31）they had done "I′ m going to（32）to your father about this when he comes home for tomglat, said. "He and I will think of how to punish you. "Things were（33）quiet after that about half an hour, and then Charles（34）a glass in the kitchen, and at almost the same（35）, Mark fell out of the apple tree.
第（21）题选
A.Certain
B.A
C.Some
D.One
单项选择题
在健康促进产出模式下，健康教育活动的直接产出是（　　）。
A、健康素养
B、健康的行为生活方式
C、健康环境
D、政策法规
E、社区参与
单项选择题
某地法院在审理一起不服道路运输管理行政处罚案件中,相对人无道路运输经营许可证擅自从事道路运输经营活动，既违反了交通部《道路运输行政处罚规定》，也违反了该省政府制定的《XX省道路运输市场管理条例》，该管理条例与道路运输行政处罚规定不一致,不能确定如何使用，在此情形下根据我国相关法律规定和法理，下列选项中哪项是正确的？（）
A.由全国人大常委会直接决定适用处罚规定还是管理条例
B.由该省人大常委会决定适用管理条例
C.由国务院提出裁决,认为适用规定的则直接适用规定；认为适用条例的需要提请全国人大常委会裁决
D.由最高人民法院会同最高人民检察院通过司法解释来决定适用条例还是规定
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