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标题: Data Sufficiency一道题? [打印本页]

作者: summersmiles    时间: 2007-2-14 07:57     标题: Data Sufficiency一道题?

31. Who types at a faster rate, John or Bob?

1. The difference between their typing rates is 10 words per minute.

2. Bob types at a constant rate of 80 words per minute.

答案选E,我选的B. 像2这种说法,可以判断出两人速度一样的不行么?


作者: sweetcorns    时间: 2007-2-14 12:38

要有确定且唯一的答案才可以

选B 还是不知道Bob or John 谁快






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