多项选择题
If a government has a macroeconomic policy objective of expanding the overall level of economic activity, which TWO of the following measures would be consistent with such an objective? A. Increasing public expenditure B. Increasing interest rates C. Increasing the exchange rate D. Decreasing taxation
单项选择题 经济中生产的所有商品都必须以有效率的方式在各人之间加以分配,这样的要求称为 A. 生产的效率; B. 分配的效率; C. 产品组合的效率; D. 交换的效率。
判断题 理想液体在同一管道中作稳定流动时，内部动能、位能、压力能之和随位置变化。
单项选择题 Some emotions can reduce employee performance.
