【判断题】If there are two goods, and if one good has a negative price and the other has a positive price, then the slope of the budget line will be positive.
【简答题】作文。 根据下列表格中的信息,用英文写一篇值日报告,介绍你的家乡-福州。 要求: 1.必须用上所有的信息,语句通顺,书写规范; 2.词数80左右,已给出的句子不计入总词数。 提示词:history; population; places of interest; Mount Gu; Three Hills and Two Pagodas Good morning, everyone! I'm on...
【判断题】If there are two goods and if one good has a negative price and the other has a positive price, then the slope of the budget line will be positive.