书写色料
参考答案:
是指一切用以表示文字、符号、线条和图案的有色物质的总称。
具有常年性鼻炎的临床表现,分泌物涂片检查嗜酸细胞阴性提示()。
A.变态反应性鼻炎,近期没有接触致敏物
B.血管运动性鼻炎
C.自主神经性鼻炎
D.ABC三项正确
E.B和C项正确
An analyst does research about margin transaction. With respect to purchasing stocks using borrowed funds, the minimum equity percentage of the value of the asset that must be maintained by the investor is best described as the:()
A. leverage ratio.
B. initial margin requirement.
C. maintenance margin requirement.