Answer: C
解析:首先,我们需要找到题干文句中的定位关键词 the current cost of generating electricity。之后,将这个关键词定位到文章中去,发现这组定位词出现在文章当中的第二句话当中:Currently, technology that would capture carbon dioxide emitted by power plants and sequester it harmlessly underground or undersea instead of releasing it into the atmosphere might double the cost of generating electricity.我们发现文章的下一句话当中出现了这样的比例关系。But because sequestration does not affect the cost of electricity transmission and distribution, delivered prices will rise less, by no more than 50 percent.这说明sequestration所导致的发电成本所占的比重不超过包括传输在内的总费用(delivered prices)的二分之一。既然只有发电和送电两个过程。那么,发电的花费当然是最多只能占到二分之一了。答案C所说正是:It constitutes at most half of the delivered price of electricity.故选。通过这道题目,我们发现ETS在新GRE考试中沿用了传统GRE考试的解题套路。
第二种题型:多项选择题II
Sample Multiple-choice Questions Select One or More Answer Choices
Consider each of the three choices separately and select all that apply.
2. The passage suggests that extensive use of sequestration would, over time, have which of the following consequences?
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