The brain drain of experts away from developing countries will greatly influence

游客2025-04-21 2

问题 The brain drain of experts away from developing countries will greatly influence these countries’ development of____industry.

选项 A、complicated
B、sophisticated
C、primitive
D、collective

答案 B

解析各项的意思是：complicated“复杂的；难懂的”；sophisticated“精密的，尖端的；老练的，老于世故的”；primitive“原始的，粗糙的”；collective“集体的，共同的”。根据句意判断，答案为B。

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