What is the scientists’ new discovery? What is said about the rainfall in America’s West?

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问题 What is the scientists’ new discovery?
What is said about the rainfall in America’s West?

选项 A、There is much more rainfall in California than in Utah.
B、The water it delivers becomes lighter when it moves inland.
C、Its chemical composition is less stable than in other areas.
D、It gathers more light isotopes as it moves eastward.

答案B

解析 推断题。本题询问美国西部的降雨情况。根据原文以及地理知识可知,太平洋洋面上形成的暴雨中较重的部分会在离海岸较近的加利福尼亚州先降下来,而轻一点的雨在更内陆的地方比如犹他州降下,故选B。
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