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问题 单项选择题

物业服务企业发生分立、合并的，应当在向工商行政管理部门办理变更手续后( )日内，到原资质审批部门申请办理资质证书注销手续，并重新核定资质等级。

A．15

B．20

C．30

D．45

答案

参考答案：C

单项选择题

女性，22岁，不洁饮食后出现眼黄、尿黄、乏力、纳差，如考虑急性甲型肝炎的诊断，其不洁饮食具有流行病学意义的时间段为（）

A.45天

B.30天

C.15天

D.3个月

E.6个月
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单项选择题

Small quantities of flammable liquids needed at a work site should be（）.

A.used only under the supervision and direction of a ship's officer

B.tightly capped and stowed with other tools near the job site when securing at the end of the day

C.used only when a pressurized fire hose is laid out ready for immediate use

D.in a metal container with a tight cap
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