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单选题
_____
A
bottom
B
basis
C
root
D
stem
参考答案
参考解析
解析：
结合上下文，此句意思为“男女间令人迷惑的差异可能源于大脑”，此空格处应为“渊源”的意思。bottom意为“底部，底端”；basis意为“根本，基础”；root意为“根部，起源”；stem意为“茎”。root符合文意，故选C。
结合上下文，此句意思为“男女间令人迷惑的差异可能源于大脑”，此空格处应为“渊源”的意思。bottom意为“底部，底端”；basis意为“根本，基础”；root意为“根部，起源”；stem意为“茎”。root符合文意，故选C。
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