【判断题】
涉密载体及设备保密防护包括防复印、磁介质体防护、涉密物品管控防护。
A. 对
B. 错
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答案
A
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【填空题】
24. 机关、单位对符合保密法的规定，但保密范围没有规定的不明确事项，应当先行拟定 ___ 、 ___ 和___，采取相应的保密措施，并自拟定之日起 ___日内报有关部门确定。
【单选题】
将220V、40V的灯泡与220V、100W的灯泡串联后接在380V的电源上，会发生：___
A. 开始40W灯泡极亮随即烧毁；
B. 开始100W灯泡极亮随即烧毁；
C. 两灯泡均比正常时较暗；
D. 两灯泡均极亮随即烧毁。
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