()进一步将Ⅲ组阳离子划分的试剂只能是NH3·H2O。
参考答案:错
火灾应急措施表中未包括()。
A.总体建议
B.溢漏应急措施
C.舱内货物着火应急措施
D.货物暴露在火中应急措施
An analyst does research about financial statements. Which of the following best describes the firm's financial performance over a period of time()
A. Balance sheet.
B. Income statement.
C. Cash flow statement.