此题看不到题目

这道题看不到试题，只能提交后看到。

请问这个题的图是怎么画呢？

为什么c不对？

01.单选题 已收藏 标记 纠错 Business cycle analysis most commonly describes economic activity that is conducted through: A state enterprises. B agricultural co-ops. C private corporations. 查看解析 下一题 正确答案C 您的答案A本题平均正确率：54% Theories of business cycle难度：一般 推荐：      答案解析 Business cycles relate to fluctuations in national economic activity generated mainly through business enterprises. 问：此题可否文字讲解一下，视频解析没有声音。

06.单选题 已收藏 标记 纠错 Which of the following is the most likely reason that when analysts often follow new orders for capital goods, they will exclude defense and aircraft? A the military is part of the public sector. B armed forces and airlines tend to place infrequent and large (i.e., lumpy) orders, which create a false signal for the index. C aircraft and military orders are often the same so there is double counting. 查看解析 上一题 下一题 正确答案B 您的答案A本题平均正确率：83% Business cycle and four phases难度：一般 推荐：      答案解析 Business cycle indicators need to represent the activities in the whole economy and thus should not be influenced by some particular sectors that may have uncorrelated fluctuations. 问：1.老师可否解释一下 defense和aircraft指什么 和 题干的意思？2.B选项为什么对 可否再进一步解释一下？

为什么分母要除以平均数？

02.单选题 已收藏 标记 纠错 The inventory/sales ratio is most likely to be rising: A as a contraction unfolds. B partially into a recovery. C near the top of an economic cycle. 查看解析 上一题 下一题 正确答案C 您的答案A本题平均正确率：66% Business cycle and four phases难度：一般 推荐：      答案解析 Near the top of a cycle, sales begin to slow before production is cut, leading to an increase in inventories relative to sales. 问：这道题的A,C感觉都是在增长，图是基础班视频的截图，所以我这边对答案有些质疑？ PS:上一问的图传错了

02.单选题 已收藏 标记 纠错 The inventory/sales ratio is most likely to be rising: A as a contraction unfolds. B partially into a recovery. C near the top of an economic cycle. 查看解析 上一题 下一题 正确答案C 您的答案A本题平均正确率：66% Business cycle and four phases难度：一般 推荐：      答案解析 Near the top of a cycle, sales begin to slow before production is cut, leading to an increase in inventories relative to sales. 问：这道题的A,C感觉都是在增长，图是基础班视频的截图，所以我这边对答案有些质疑？

为什么折旧要作为资金流入方向（+）呢？