Country X contains many rivers that flow down from its high mountains. These rivers have been dammed...

题目信息

Country X contains many rivers that flow down from its high mountains. These rivers have been dammed to harness the hydroelectric power that can be derived from this resource. Enough power is generated to create a reserve that is more than enough to meet the country's year-round energy needs. Yet, citizens of Country X often experience power shortages or even outages.

Which of the following, if true, best explains the situation described above?

A:The flow of the rivers is heavier in the spring than at other times of year.

B:Citizens of Country X rely heavily on electronic appliances in their homes.

C:Country X has not invested in alternate sources of energy.

D:Most of the electricity generated in Country X is sold to other countries.

E:Some of the most powerful rivers in Country X have yet to be dammed.

参考答案及共享解析

共享解析来源为网络权威资源、GMAT高分考生等；如有疑问，欢迎在评论区提问与讨论

正确答案： D:Most of the electricity generated in Country X is sold to other countries.

A. The flow of the rivers is heavier in the spring than at other times of year. (Incorrect - nothing is mentioned about spring or flow of the rivers)

B. Citizens of Country X rely heavily on electronic appliances in their homes. (Incorrect - This sentence is enough to cancel this option - Enough power is generated to create a reserve that is more than enough to meet the country's year)

C. Country X has not invested in alternate sources of energy. (Incorrect - irrelevant to the argument)

D. Most of the electricity generated in Country X is sold to other countries. (Correct - if the majority of electricity is sold to other countries, this could explain the paradox)

E. Some of the most powerful rivers in Country X have yet to be dammed. (Incorrect - This sentence is enough to cancel this option - Enough power is generated to create a reserve that is more than enough to meet the country's year)

笔记