单选题
On a certain scale of intensity, each increment of 10 in magnitude represents a tenfold increase in intensity. On this scale, an intensity corresponding to a magnitude of 165 is how many times an intensity corresponding to a magnitude of 125?
A、
40
B、
100
C、
400
D、
1,000
E、
(E) 10,000
【正确答案】
E
【答案解析】
[解析] 165比125大40,根据大小每增加10强度就增加10倍,可知大小为165的强度是大小为125的强度的10×10×10×10=10,000倍
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