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  3. It can be inferred from the first paragraph that cosmologists Which of the following statements is NOT true of the cosmos?

It can be inferred from the first paragraph that cosmologists Which of the following statements is NOT true of the cosmos?

admin2009-08-13  50
问题 It can be inferred from the first paragraph that cosmologists
Which of the following statements is NOT true of the cosmos?
选项 A、Microwaves are the medium WMAP used to make measurements.
B、Warmer spots would finally develop into the clusters of galaxies.
C、Dark energy is a decisive factor in the cosmic expansion.
D、The nature of dark matter in space is unknown to scientists.
答案C
解析 本题是细节题。根据题目顺序及各选项内容定位至第四段。第二句提到warmer and cooler spots：温度较高的区域密度大些，温度较低的区域密度小些，结果前者演化成了星群，后者成了空洞，[B]符合文意。第四段第一句提到WMAP的发现过程：scrutinizing the faint whisper of microwaves...，可见 microwaves是它的研究介质，[A]符合文意。第四句中的“dark matter, whose nature is still unknown”与[D]意思一致。而提到dark energy时指出：“它也是一种神秘的力量，其反地球引力会加速宇宙扩张”，[C]是对该处内容的夸大，故为答案。
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