求教~~~

yokeezuo · 发表于 2012-1-13 10:13:10

8. (Z3-32) From 1980 to 1989, total consumption of fish in the country of Jurania increased by 4.5 percent, and total consumption of poultry products there increased by 9.0 percent.During the same period, the population of Jurania increased by 6 percent, in part due to immigration to Jurania from other countries in the region.
If the statements above are true, which of the following must also be true on the basis of them?
A. During the 1980’s in Jurania, profits of wholesale distributors of poultry products increased at a greater rate than did profits of wholesale distributors of fish.
B. For people who immigrated to Jurania during the 1980’s, fish was less likely to be a major part of their diet than was poultry.
C. In 1989 Juranians consumed twice as much poultry as fish.
D. For a significant proportion of Jurania’s population, both fish and poultry products were a regular part of their diet during the 1980’s.
E. Per capita consumption of fish in Jurania was lower in 1989 than in 1980.

这题答案给的E我肿么想都觉得不太对....望高人指点~~~

sdcar2010 · 发表于 2012-1-13 13:19:32

Simple math. Use paper and pencil to figure it out.

泾渭不凡 · 发表于 2012-1-13 18:31:13

。。。忍不住来看了4、5次。。。

墨月雪 · 发表于 2012-1-13 21:05:26

A：全文没谈过价格，更不用说利润了。
B：全文没谈过diet的结构。
C：原文total consumption of poultry products there increased by 9.0 percent.何来twice。
D：和B一样。
E：fish in the country of Jurania increased by 4.5 percent
population of Jurania increased by 6 percent
人口比鱼涨的多，所以每个人吃的就少了。
不明白的话带个数字算一下，比如人口设成1000，吃的鱼设成5000。

yokeezuo · 发表于 2012-1-14 09:23:57

嗯昨天我睡前又琢磨了好久终于看出来了是人均....我晕死....这么大的两个字我看了一天才看出来...哎...灰常感谢耐心解答~~~~~

求教~~~

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