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问题 解答题

某种细胞每过30分钟便由1个分裂成2个．请根据你所学的知识，计算1天（24小时）后1个细胞可以分裂成多少个细胞．

答案

根据题意得：1天（24小时）后1个细胞可以分裂成248个细胞．

单项选择题

长期投资现金流出量包括垫支的流动资金和( )

A．购置固定资本价款
B．付现成本
C．所得税
D．折旧额
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单项选择题

What is the primary purpose for Digital Selective Calling (DSC)?（）

A.DSC provides reception of weather and navigational warnings plus search and rescue information

B.DSC provides low-cost，routine communications for the vessel operator

C.DSC is to be used for transmitting and receiving distress alerts to and from other ships or coast radio stations via radio

D.This aids SAR authorities in tracking a vessel's position by satellite
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