免疫比浊测定中,在抗体过量的前提下,抗原抗体反应遵循
A.Heidelberger曲线
B.Mancini曲线
C.Fahey 曲线
D.“S”曲线
E.直线
参考答案:A
用所给词的适当形式填空。
1. Most people speak English as a _____ (two) language.
2. Have you ever spoken to a _____ (nation) speaker?
3. I learn English by _____ (make) up conversations with my friends.
4. This kind of coffee tastes very _____ (well).
5. Her _____ (pronounce) is very good.
食品包装纸的卫生要求。