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问题 单项选择题

在使用2M对线工具和2M误码仪测量PTN的2M线缆的通断性时，指示灯处于以下哪种情况，表示2M线缆和DDF架之间的连接是正常的，不存在虚焊，错连的情况。（）

A、红色指示灯常亮

B、红绿指示灯均亮

C、绿色指示灯常亮

D、红色指示灯均亮

答案

参考答案：C

选择题

下列关于染色体的说法不正确的是 [ ]

A．遗传物质的载体

B．遗传信息的载体

C．细胞分裂时染色体已经加倍

D．由DNA和蛋白质组成的

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单项选择题

Standard Ⅳ (A) Loyalty contains rules that protect a member’s employer. Which of the following statements is FALSE（）

A. Written approval from the employer is required only for anticipated independent practice arrangements in competition with the employer. 

B. An employee must receive employer’s written consent before entering into an agreement for independent practice in competition with his or her employer. 

C. A member must secure written permission from both employer and outside party to undertake independent practice.
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