药物抑制或杀灭微生物的能力为
A．抗菌谱
B．抗菌活性
C．化疗指数
D．体外抗菌实验
E．最低抑菌或杀菌能力
参考答案：B
— Can I smoke here?
— Sorry. We don't allow ____ here. [ ]
A. people smoking
B. people smoke
C. to smoke
D. smoking
花粉的二型性
