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无菌药品生产，未受培训的外部人员（如外部施工人员或维修人员）在生产期间需进入洁净区时，应当对他们进行特别详细的（）和（）。

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子载波间隔（）KHZ

A. 15，
B. 20，
C. 200，
D. 500.

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“士”的原意是指上古掌管（）的官员，也指周朝的一种等级较低的爵位。到了春秋战国时期，“士”已演变成对有知识、有技能、处在贵族与庶民之间的一个社会阶层的泛称。

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Class C network 200.1.1.0/24 was allocated to an ISP that operated primarily in AsiA.That ISP then assigned this entire Class C network to one of its Asian customers. Network 200.1.2.0/24 has yet to be assigned to any ISP. Which of the following is most likely to be true?（）

A. 200.1.2.0/24 could be assigned to any registrar or ISP in the worlD
B. 200.1.2.0/24 will be assigned in the same g eography (Asia) as 200.1.1.0/24
C. 200.1.2.0/24 cannot be assigned as public address spacE
D. Routers inside North American ISPs increase their routing table size by 1 as a result of the customer with 200.1.1.0/24 connecting to the Internet

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变异可以直接导致适应。

A. 正确
B. 错误

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