受要约人有理由认为要约是不可撤销的，并已经为履行合同做了合理准备工作的要约不可撤销。 - 查题网

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成人高等教育 / 合同法学

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受要约人有理由认为要约是不可撤销的，并已经为履行合同做了合理准备工作的要约不可撤销。

A、正确
B、错误

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合同法学

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