青霉素抗菌作用的机制是
A. 干扰细菌细胞壁的合成
B. 干扰细菌细胞蛋白质的合成
C. 破坏细菌细胞膜通透性
D. 破坏细菌细胞核酸的代谢
E. 干扰细菌细胞器的合成
After the governor's third trip to overseas, voters complained that he was paying too little attention to ______ affairs.
A. domestic
B. intellectual
C. foreign
D. professional
Robert Louis Stevenson is a representative of ______ in English literature.
A. Neo-Romanticism
B. Pre-Romanticism
C. Romanticism
D. Aestheticism
衣原体与细菌的不同点是
A. 含有两种核酸
B. 具有胞壁酸
C. 二分裂方式增殖
D. 专性细胞内寄生
E. 对抗生素敏感
微信支付 
支付宝支付