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单项选择题

高层建筑应设水喷雾灭火系统的部位，以下错误的是( )。

A.可燃油油浸变压器室
B.充可燃油的高压电容器室
C.多油开关室
D.可燃物库房
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单项选择题
Eleanor Roosevelt was the wife of America′s 32nd president,Franklin Roosevelt.She helped her husband in?many ways during his long（21）life.She also became one of the most（22）women in America.She fought for?equal rights for all people.
Eleanor was born in New York City in 1884.Her family had great wealth.But Eleanor did not have a happy（23）.Her parents died when she was very young.She was raised by her grandmother.Eleanor（24）that as a?child,her greatest happiness came from helping others.
tn the early 1900s,many people were worried about the problems of（25）people who came to America in（26）of a better life.Eleanor could not（27）how people lived in such poor conditions while she and some others?had so much（28）.
After she finished school,Eleanor began（29）children to read and write in one of the poorest areas of New?York City.She also looked into（30）where workers were said to be badly（31）.She saw little children of four?and five years old working until they（32）to the floor.She became involved（参与）with other women who（33）the same ideas about improving social conditions.
Franklin Roosevelt began（34）Eleanor when he was in New York.They got（35）in 1905.In the next eleven?years,they had six children.The Roosevelts moved to Washington D.C.in 1913.
第（21）题选
A.technical
B.business
C.political
D.research
单项选择题
依据GB/T31439.1-2015，以下有关某波形梁钢护栏板抗拉强度和断后伸长率试验结果修约符合标准要求的是（　　）。a
A.375.5MPa，26.0%
B.375MPa，26%
C.375.5MPa，26%
D.375MPa，26.0%
单项选择题
铝合金、塑料门窗施工前进行安装质量检验时，推拉门窗扇开关力应不大于100N，量测工具是( )
A.压力表
B.应力仪
C.推力计
D.弹簧秤
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