什么是抗菌后效应?
参考答案:
将细菌暴露于浓度高于MIC的某种抗菌药,再去除培养基中的抗菌药,去除抗菌药后的一段时间范围内细菌繁殖不能恢复正常。
On the small island, which is at the entrance to New York Harbor, ________.
A.the Statue of Liberty stands
B.stands the Statue of Liberty
C.does the Statue of Liberty stand
D.does stand the Statue of Liberty
世界上最早的国歌是哪个国家的国歌?