将一根电阻等于r的均匀导线,对折起来并联使用时,则电阻变为()
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You need to design a security solution for the internally developed Web applications that meets business requirements. What should you do?()
A. Install and configure a stand-alone root certification authorative (CA) that is trusted by all company client computers. Issue encryption certificates to all developers
B. Install and configure root certification authority (CA) that is trusted by all company client computers. Issue code-signing certificates to all developers
C. Purchase a root certification from a trusted commercial certification authority (CA). Install the root certificated on all developers’ computers
D. Purchase a code-signing certificate from a trusted commercial certification authority (CA). Install the certificate on all company client computer
意外伤害的定义可完整表述为()。
A. 在被保险人没有预见到或违背被保险人意愿的情况下,突然发生的外来致害物明显、剧烈地侵害被保险人身体的客观事实
B. 在被保险人没有预见的情况下,突然发生的外来致害物明显、剧烈地侵害被保险人身体的客观事实
C. 在违背被保险人意愿的情况下,突然发生的外来致害物明显、剧烈地侵害被保险人身体的客观事实
D. 在被保险人没有预见到或违背被保险人意愿的情况下,突然发生的外来致害物侵害被保险人身体的事实
可燃气体报警器探头的工作原理为催化燃烧式。
A. 正确
B. 错误