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) 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