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问题 填空题

乳的酸度达到（）情况下，酒精实验即产生凝固。

答案

参考答案：20゜T

简答题

人们的消费观念发生变化及原因

                                                                                                                                                               

                                                                                                                                                              

                                                                                                                                                              

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判断题

积极的股票风格管理中若股票前景不妙，降低权重；若前景良好，增加权重。( )
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