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单选题
How these big stones were moved to the mountain tops remains a _____, that is, nobody knows how.
A
mystery
B
possibility
C
responsibility
D
faith
参考答案
参考解析
解析：
句意：这些巨石是怎样被搬到山顶的仍然是个谜，也就是说，没有人知道这过程。此题考查名词辨析。mystery秘密，谜，神秘。remain a mystery为固定搭配，符合句意，故A项正确。possibility可能性。responsibility责任（感），职责。faith信任，信用；宗教信仰。
句意：这些巨石是怎样被搬到山顶的仍然是个谜，也就是说，没有人知道这过程。此题考查名词辨析。mystery秘密，谜，神秘。remain a mystery为固定搭配，符合句意，故A项正确。possibility可能性。responsibility责任（感），职责。faith信任，信用；宗教信仰。
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