问题
单项选择题 A1/A2型题
头孢菌素族药物的紫外吸收特性（水溶液中的λ为定值）取决于（）
A.7-ACA
B.侧链
C.羧基
D.硫原子
E.母核中的O=C-N=C=C结构
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
头孢菌素族药物的紫外吸收特性（水溶液中的λ为定值）取决于（）
A.7-ACA
B.侧链
C.羧基
D.硫原子
E.母核中的O=C-N=C=C结构
参考答案：E
| Choose the correct questions for the answers. 为下列答语选择正确的问句。 |
| ( )1. Yes, I would like to. ( )2. I want that one over there. ( )3. It's twenty dollars. ( )4. Bob's team won the basketball game. ( )5. I went to the park today. | A. Yes, I would like to. B. Wherte did you go today? C. How much is the basketball? D. Would you like to watch games? E. Who went to the park today. |