小鹅瘟明显的剖检病理变化主要集中在()
A.肝脏
B.肠道
C.心脏
D.脾脏
E.肾脏
参考答案:B
An analyst does research on the reclassification of non-current assets. A company reclassifies a non-current asset from held-for-use to held-for-sale. At that time, the asset's carrying value is greater than its fair value less costs to sell, and the company most likely recognizes:()
A. a gain.
B. a loss.
C. neither a loss nor a gain.
样品在放置期间,待测组分浓度的影响因素是()
A.生物因素
B.化学因素
C.生物、化学和物理因素
D.生物和物理因素
E.物理因素