一道GMAT逻辑题A ten-year comparison between the United States and the Soviet Union in terms of crop yields per acre revealed that when only planted acreage is compared,Soviet yields are equal to 68 percent of United States yields.When total agri

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一道GMAT逻辑题A ten-year comparison between the United States and the Soviet Union in terms of crop yields per acre revealed that when only planted acreage is compared,Soviet yields are equal to 68 percent of United States yields.When total agri
一道GMAT逻辑题
A ten-year comparison between the United States and the Soviet Union in terms of crop yields per acre revealed that when only planted acreage is compared,Soviet yields are equal to 68 percent of United States yields.When total agricultural acreage(planted acreage plus fallow acreage)is compared,however,Soviet yield is 114 percent of United States yields.
From the information above,which of the following can be most reliably inferred about United States and Soviet agriculture during the ten-year period?
(A)A higher percentage of total agriculture acreage was fallow in the United States than in the Soviet Union.
(B)The United States had more fallow acreage than planted acreage.
(C)Fewer total acres of available agricultural land was fallow in the Soviet Union than in the United States.
(D)The Soviet Union had more planted acreage than fallow acreage.
(E)The Soviet Union produced a greter volume of crops than the United States produced.
选什么?为什么?

一道GMAT逻辑题A ten-year comparison between the United States and the Soviet Union in terms of crop yields per acre revealed that when only planted acreage is compared,Soviet yields are equal to 68 percent of United States yields.When total agri
上面的都错了正确答案是A 这是一道经典老题目了：
X表示苏联粮食总产量 A表示苏联计划种植面积 A'表示FALLOW ACREAGE,Y B B'表示美国的对应数据,X/A=0.68Y/B,X/(A+A')=1.14Y/(B+B')
因为X/(A+A')比Y/(B+B')要大,所以A'在A+A'中占的比例就比B'在B+B'中的比例要小,所以A正确
其实是个数字游戏我把书上的解答抄下来了慢慢看吧~
P.S.一楼的语法真烂哈……

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