Which of the following is TRUE about the new mechanism of producing steam?A.It is similar
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Which of the following is TRUE about the new mechanism of producing steam?
A.It is similar to bringing down the boiling point of water.
B.Steam generators running solely on water and sunlight are under research now.
C.It employs the use of nanoparticles to focus sunlight more efficiently.
D.The research is widely known in the academic circle but little known among the public.
请帮忙给出正确答案和分析,谢谢!
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正确答案:C
推断题。根据第三段,外表附着碳或金薄膜的二氧化硅纳米粒子的微小直径意味着它们能够更高效地吸收、而不是分散太阳光线,当太阳光通过棱镜聚焦到容器里时,粒子迅速升温,温度高到把其周围的水蒸发;[C]概括正确,故为答案。
