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发表于 2011-9-20 02:51:02 | 显示全部楼层 回帖奖励 |倒序浏览 |阅读模式
1.Does the decimal equivalent of
, where p and q are positive integers, contain only a finite number of nonzero digits?(1)p > q
(2)q = 8答案选B  但是没懂最后一句说的什么意思    


2.The graph above shows the combined revenue, in billions of dollars, of a chain of food stores for each year over a four-year period.In 1994 a certain store’s revenue accounted for 2.0 percent of the combined revenue for that year, and in 1995 the same store accounted for 2.3 percent of the combined revenue for that year.What was the approximate percent increase in revenue for this store from 1994 to 1995 ? 图我没有贴上来 柱状图  图是这样的 1993-6.0      1994-8      1995-10    1996-11.3    答案选E   但是什么是combined revenue?他和revenue有什么区别呢?

A.0.3%
B.15.0%
C.25.0%
D.30.4%
E.43.8%
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沙发
 楼主| 发表于 2011-9-20 04:23:23 | 显示全部楼层
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