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CR: BB;
第二题注意题目的矛盾点,cyclist在lane和road上都多了;
RC: CBAEC, 正确答案: BBAEC
1, canali: creation remains a mystery, width and length defies simple explanaitons.
puzzle of the canali lies in identifying a fluid that....
2, research in 1992: a low-viscosity fluid which: exceptionally hot or had a melting point
based on these, ruled out basaltic and komatiitic lavas
alternative: insulating covers or subsurface flows, but still unclear.
3, others: liquid sulfur--ruled out because of its fast evaporation.
carbonate-rich lavas: might be
第1题错题回顾:enigmatic adj, 难以理解的,莫名其妙的,整个文章都在suppose 什么形成了canali,正确;
C的错误点在于potential fluids, 文章说解决puzzle在于identifying a fluid, 然后列举了几个可能性,但基于一些特性也排除了像liquid sulfur这样的可能性,所以主旨不仅仅是在讲potential fruids
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