【简答题】A.By removing the bottom of the basket. B.By lowering the position of the basket. C.By simplifying the complex rules. D.By altering the size of the basket.
【判断题】人的三大关系与马斯洛需求层次是层层相应的。()
【简答题】2008年Y国与X国的某包价旅游产品每人每天均为80美元,其中Y国产品的需求量为10万人次,X国产品的需求量为8万人次。2009年,Y国产品仍维持原价,X国则将其产品每人每日价格降为74美元,使该国产品的需求量增加至9万人次,Y国产品的需求则减少至9.5万人,试求X国旅游产品的价格变化对Y国旅游产品需求量产生的影响的交叉弹性系数。
【简答题】A.By removing the bottom of the basket. B.By lowering the position of the basket. C.By simplifying the complex rules. D.By altering the size of the basket.
【单选题】Which of the following statements best summarizes the position of the revisionists?
A.
The agricultural revolution affected all human activity.
B.
The development of agriculture had a positive influence on nutrition.
C.
Agriculture contributed to the health risks for early farmers.
D.
Agricultural people had to move from place to place to plant crops.