成新折扣法习惯根据建筑物的建成年代、新旧程度或完损程度等，判定出建筑物的（）。
A.成新率
B.年折旧率
C.残值率
D.回收率
参考答案：A
On initial assessment of a 7-year-old with rheumatic fever, which of the following would require the nurse to contact the physician immediately
A. Heart rate of 150 bpm.B. Twitching in the extremities.C. Red rash on the trunk.D. Swollen and painful knee joints.
商店里购进铅笔与钢笔共15盒，160支，铅笔每盒10支，钢笔每盒12支，商店购进铅笔与钢笔各几盒？
