Marketers often involve actual customers in product testing.
A.
正确
B.
错误
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【判断题】If good 1 is measured on the horizontal axis and good 2 is measured on the vertical axis, and if the price of good 1 is p1 and the price of good 2 is p2,then the slope of the budget line is p2=p1
【判断题】If good 1 is measured on the horizontal axis and good 2 is measured on the vertical axis and if the price of good 1 is p1 and the price of good 2 is p2, then the slope of the budget line is -p2/p1.