作物干物质积累速度最高值处于（）。
A.指数增长期
B.减缓衰亡期
C.直线增长期
D.指数衰亡期
参考答案：C
对于大多数原发性骨肿瘤，诊断依靠（）。
A.临床表现
B.影像学检查
C.病理
D.术中所见
E.临床表现、影像、病理结合
During deflation and decreasing inventory quantities, a company using last-in first-out (LIFO) rather than first-in first-out (FIFO). What is the effect on inventory turnover and net profit mar-gin Inventory Turnover Net Profit Margin ①A. higher lower ②B. higher higher ③C. lower higher
A．
B．
C．
