根据我国统一使用的烧伤面积计算法，成人头颈面部占人体体表总面积的（）
A.5%
B.9%
C.12%
D.15%
E.16%
参考答案：B
According to the Keynesian view, an increase in which of the following would most likely decrease current aggregate demand（）
A. Budget deficit.
B. Transfer payments.
C. Personal income tax rates.
运行监控和控制有哪些功能？
