2. 外语
  3. Which of the following most logically completes the argument? Alivia’ s government has approved funds for an electricity-generat

Which of the following most logically completes the argument? Alivia’ s government has approved funds for an electricity-generat

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问题 Which of the following most logically completes the argument? Alivia’ s government has approved funds for an electricity-generation project based on the construction of a pipeline that will carry water from Lake Cylus, in the mountains, to the much smaller Lake Tifele, in a nearby valley. The amount of electricity generated will be insufficient by itself to justify the project’s cost, even if the price of imported oil—Alivia’ s primary source of electricity—increases sharply. Nonetheless, the pipeline project is worth its cost, because______.
选项 A、the price of oil, once subject to frequent sharp increases, has fallen significantly and is now fairly stable
B、the project could restore Lake Tifele, which is currently at risk of drying up and thus of being lost as a source of recreation income for Alivia
C、the government of Alivia is currently on excellent terms with the governments of most of the countries from which it purchases oil
D、it would cost less to generate electricity by moving water from Lake Cylus to Lake Tifele than to do so by moving water from Lake Cylus to another valley lake
E、Alivian officials do not expect that the amount of electricity used in Alivia will increase substantially within the next ten years
答案B
解析 本题为完成句子题型的解释题，解释since之前的“这条管线是物有所值的”。(B)说明这个项目可重建Tifele湖，从而消除使Alivia面临减少一项度假收入的危险，意味着这条管道是能带来其他的益处，因此起到了解释的目的；(A)选项实际上起反对作用，因为油价现已大幅度降价且趋向稳定，因此作为石油发电替代物的这条管线的成本显得更高，铺设这条管线明显不利，(A)、(E)为无关选项，(D)为新的比较，与要解释的无关。
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