【单选题】亚硝酸盐在酸化条件下,与对氨基苯磺酸反应后与N-1-萘基乙二胺盐酸盐结合,呈现的颜色是 [ ]
【多选题】描绘 18K 玫瑰金是所使用的颜色有哪几种?
【单选题】Federally funded loans are preferred to private funding for__________.
A.
their easy accessibility
B.
their high reliability
C.
their lower interest rates
D.
their wide availability