单选题
What does" brain drain" ( Line 4, Paragraph 4) mean?
A、
The exhaustion of the power of thinking.
B、
The exhaustion of highly qualified professionals in a country.
C、
The highly qualified professionals borrowed from other countries.
D、
The movement of highly qualified people toward more favorable environments.
【正确答案】
D
【答案解析】
如文中所说的拉丁美洲国家人才愿意在发达国家工作。可知“brain drain”的意思是“人才流失”，人才向更有利于自己的环境转移，[A]、[B]和[C]与此意思不符。
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