下列常见皮肤病中，"指原发于血管壁及其周围的炎症变化"属于（） ["单纯疱疹","带状疱疹","银屑病","玫瑰糠疹","变应性皮肤血管炎"]
企业将资金占用在应收账款上而放弃的投资于其他方面的收益称为应收账款的（） ["管理成本","坏账成本","短缺成本","机会成本"]
"焦四仙"不含有（） ["A.焦神曲","B.焦槟榔","C.焦山楂","D.焦枳壳","E.焦谷芽"]
棱术是指（） ["A.三棱、苍术","B.三棱、于术","C.莪术、三棱","D.三棱、白术","E.六棱菊、莪术"]
地高辛片的含量测定（） ["荧光法","旋光度法","比色法","银量法","经柱色谱法纯化后，比色法"]
单回路调节系统用经验法整定调节器，参数是通过（）来实现的。
