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【简答题】
And then for the next 53 days, that narrow lifeline would be the path where food and medicine and communication would travel, while aboveground, for 53 more days, they continued the teaming to find a way to create a much larger hole and also to design a ______.
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A.
阳极，阳极
B.
阳极，阴极
C.
阴极，阳极
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阴极，阴极
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【单选题】数字式万用表测量判断二极管的管脚时,红、黑表笔分别接二极管的两个引脚测量一次,再将红、黑表笔对调测量一次,在有读数的那一次,与红表笔相连的管脚为二极管的 ( ) ,与黑表笔相连的管脚为二极管的 ( ) 。
A.
阳极，阳极
B.
阴极，阴极
C.
阳极，阴极
D.
阴极，阳极
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自重
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自省
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自信
【简答题】A．A person should probably be the least afraid of a dwarf shark. B．A person should probably be the least afraid of a tiger shark. C．A person should probably be the least afraid of a bull shark. D．A pe...
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