统一指挥
参考答案:指一个下属人员只应接受一个领导人的命令。
This silk scarf is made in Suzhou. It feels just as as it looks.
A.beautiful
B.beautifully
C.good
D.well
在下列软膏剂的基质中,属于凝胶基质的是
A.CMC-Na
B.石蜡
C.羊毛脂
D.硅油
E.凡士林