Margie was scornful.Synonyms:
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Tommy looked at her with very superior eyes.Antonyms:
“Maybe,” he said nonchalantly.Synonyms:
Little girls learned better if they learned at regular hours.Antonyms:
在疾病发生危险因素的研究中,采用多变量回归分析的主要目的是( )。
A. 节省样本
B. 提高分析效率
C. 克服共线影响
D. 减少异常值的影响
E. 减少混杂的影响