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听力原文：Research in some Western industrialized countries such as Australia and some European countries suggests that human intelligence rose quite steeply for 2 or 3 decades and then leveled off a few years ago.
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听力原文：The rise of multinational corporations, global marketing, new communications technologies, and shrinking cultural differences have led to an unparalleled global development in public relations or PR.
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根据给定资料，分析造成商业贿赂普遍存在的原因。要求：概述全面，条理清楚，语言流畅。(20分)

完善图3-2所示的调试过程，从备选项中选择正确的答案填写在相应位置。 (8)～(11)备选答案： A．回归测试 B．测试 C．测试用例 D．修正程序

在SET模式中，使用的公钥算法是(9)。 A．SHA B．DES C．IDEA D．RSA