下列非发酵菌中，可用K-B法进行药敏试验的是（）
A.荧光假单胞菌
B.恶臭假单胞菌
C.鲍曼不动杆菌
D.嗜麦芽寡养单胞菌
E.粪产碱杆菌
参考答案：C
Questions 22 to 25 are based on the conversation you have just heard.
A．Some friends and relatives that she had no time to visit before.
B．The closest friends and relatives.
C．The friends and relatives that helped her a lot.
D．Some friends and relatives that would get upset if she doesn’t visit.
什么是花粉败育和雄性不育？产生这两种现象的原因是什么？
