The reason for their unusual behavior remains a puzzle.

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问题 The reason for their unusual behavior remains a puzzle.

选项 A、fact
B、mystery
C、statement
D、game

答案B

解析 puzzle这个名词的意思是“令人困惑的事情或问题、不解之谜”。四个选项中只有mystery和它同义。又如：It is still a puzzle/mystery how the ancient Egyptians built the pyramids.(古埃及人究竟怎样建造金字塔至今还是个没有解开的迷)。

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本试题收录于：职称英语卫生类A级题库职称英语分类

职称英语卫生类A级

职称英语

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The reason for their unusual behavior remains a puzzle.

职称英语卫生类A级

职称英语

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