His ______ will be invaluable to understanding technological challenges the BBC is facing.

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问题 His ______ will be invaluable to understanding technological challenges the BBC is facing.

选项 A、fantasies
B、expertise
C、ideology
D、humanities

答案B

解析名词辨义。这四个选项都是名词，fantasies表示“幻想，白日梦”；expertise表示“专门技能；专门知识”；ideology意指“意识形态”；humanities表示“人文学科”。根据句意，对技术人员来说最珍贵的就是专业知识，所以B)项符合题目要求。

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大学英语六级

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