属于苗族传统的服饰有()。
A.圆领对襟无袖上衣
B.黑丝丝绒坎肩
C.百褶裙
D.窄袖大领对襟短衣
参考答案:C
Speaker A: Can you tell me something about your companySpeaker B:________. Our company was established in 1953. We produce a wide variety of electronic equipment,
A.I am glad.B.Good idea.C.You are welcome.D.My pleasure.
若水样中含有苯胺类化合物,应如何用还原-偶偶氮分光光度法测定硝基苯类化合物?