大学MOOC 宏观经济学(山东科技大学)1449968214 最新慕课完整章节测试答案

8.2 如何衡量国民收入

1、单选题：
‏ 1.For an economy as a whole, income must equal expenditure because (   )‎‏‎
选项：
A: the number of firms is equal to the number of households in an economy.
B: international law requires that income equal expenditure.
C: every dollar of spending by some buyer is a dollar of income for some seller.
D: every dollar of saving by some consumer is a dollar of spending by some other consumer.
答案: 【 every dollar of spending by some buyer is a dollar of income for some seller.】

2、单选题：
‌2. In a simple circular-flow diagram, (  )‏
选项：
A: households spend all of their income.
B: all goods and services are bought by households.
C: expenditures flow through the markets for goods and services, while income flows throug