题目内容

脚手架上不得固定泵送混凝土和砂浆的输送管等；不得悬挂起重设备或与模板支架连接；不得（）架体上安全防护设施。

A. 拆除
B. 破坏
C. 拆除或移动
D. 移动

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You have a computer that runs Windows XP Professional. Many users share the computer. You install a local print device on the computer. You need to ensure that only members of a local group named Engineering can print documents to the local print device. Which settings should you modify on the printer?（）

A. port
B. priority
C. security
D. share

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简述技术创新的源泉

座舱压力控制器有几个（）

A. 1个
B. 2个
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D. 4个