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新东方老gmat补充题Section 1 题12

Using computer techniques,researchers analyze layers of paint that lie buried beneath the surface layers of old paintings. They claim, for example, that additional mountanous scenery once appeared in Leonardo da Vinci's Mona Lisa, which was later painted over. Skeptics reply to these claims, however, that X-ray examinations of the Mona Lisa do not show hidden mountains.

Which of the following, if true, would tend most to weaken the force of the skeptics' objections?

B.Painters of da Vinci's time commonly created images of mountainous scenery in the backgrounds of portraits like the Mona Lisa.

E.Analysis relying on X-rays only has the capacity to detect lead-based white pigments in layers of paint beneath a painting's surface layers.

答案是e。无可否认,e的确可以削弱。但是E提到的什么lead-based是新出来的东西,按照gmat原则,这个答案必错除非文中说明x光检查需要lead。相反,我觉得b也削弱了结论,既然事实已经说明那个时代的画家都有这个习惯,而且包括蒙娜莉萨在内的话。

请各路大虾指教~~
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削弱跟加强如果是他因,可以出现新概念.无关词排除对INFER归纳,假设可以保证.
B的commonly不对,而且其他PAINTERS不能削弱MONALISA

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同意年兄 ^^
而且b更没提到x-ray呀
byw :智贤姐姐好漂亮呀

^^
Concentrated and Diligent

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