单项选择题 拜占庭美术最显著的成就体现在教堂建筑方面。（ ）
判断题 股份有限公司的股东以其认缴的出资额为限对公司承担责任，公司以其全部资产对公司的债务承担责任。
单项选择题 In the late 1980s, the health benefits of oat bran were widely advertised. If the price of oats increased 50%, causing the quantity of oats supplied to increase by 40%, then the price elasticity of supply was