【判断题】张孝祥,字安国,号于湖居士,其词集是《于湖词》。
【判断题】If consumers were originally willing to buy 500 units of a good at a price of $20 are now willing to buy 500 units of the same good at a price of $10, that change would be described as a decrease in d...
【判断题】古代文学经典距离现在太久远,现在看来几乎没有什么使用价值了。
【单选题】If at a price of $10, quantity bought will be 5400 per day, and at $15, quantity bought will be 4600 per day, then the price elasticity of demand is approximately:
【判断题】易经本质上是关于0和1、0和1的三画(或六画)组合、以及这些组合之间相互变化规律的一门学问;
【判断题】双离合自动变速器中,无须更换离合器摩擦片,因为是湿式的
【单选题】If at a price of $10, quantity bought will be 5400 per day, and at $15, quantity bought will be 4600 per day, then the price elasticity of demand is approximately: