A. 政府应紧缩银根控制通胀 B. 政府应该给穷人发放生活补助 C. 2009年广州住房价格上涨了 D. 广州市政府应控制房价上涨
A. 对流管、水冷壁 B. 集箱、过热器 C. 燃烧设备、炉墙
A. RS-485 B. 8251串 C. RS-232 D. RS-422
A. What is this customers address? B. Does this customer have any unpaid bills? C. What is the balance in this customers account? D. What are the total sales for each of the last 6 months?