题目内容
5. Tom Johnson has a/an knowledge of ancient European coins. You can turn to him whenever you are in difficulty.
A. separate B. single
C. unique D. unusual
5. C unique意为"独树一帜的,独一无二的",符合题意。
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题目内容
5. Tom Johnson has a/an knowledge of ancient European coins. You can turn to him whenever you are in difficulty.
A. separate B. single
C. unique D. unusual
5. C unique意为"独树一帜的,独一无二的",符合题意。