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一般认为，世界上第一部反垄断法是美国《保护贸易和商业免于非法限制和垄断之害法》（即《谢尔曼法》），其制定时间是（）年
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产业组织理论的萌芽和产生时期，其代表性的学派或理论是（）
下列属于市场规制法的原则的有
[音频]Online chatting refers to communication between two or more people via computers. It is becoming the most 1 used way of social communication.We can use it to ask questions, get 2 , share experiences, and simply 3 our ideas about certain issues. For some companies, they can hold online chat 4 to tell employees about new business developments. In education, teachers use online chatting to help students practice 5 skills and give advice to them. Actually, online chatting really benefits us a lot.
要确定诊断,进一步的检查是大题题干:49岁已婚妇女,有糖尿病史,近日发现外阴瘙痒,白带增多,检查:分泌物豆腐渣样,阴道壁充血,宫颈光滑
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