7. It can be inferred from the passage that the use of flux in processing copper ore can alter the lead isotope composition of the resulting metal EXCEPT when
there is a smaller concentration of lead in the flux than in the copper ore
the concentration of lead in the flux is equivalent to that of the lead in the ore
some of the lead in the flux evaporates during processing
any lead in the flux has the same isotopic composition as the lead in the ore
other metals are added during processing
正确答案:4. A 5. ABC 6. However, the variations are large enough 7. D
以上即是阅读练习题,对于新gre考试逻辑阅读,考生除了采取题海战术,其实更应该做的就是总结。如果能从平日的练习中找到解新gre考试逻辑阅读题的思路,那么,要比采取题海战术更好。
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