下列哪个药物属于单环β-内酰胺类抗生素
A．舒巴坦 B．氨曲南 C．克拉维酸D．磷霉素 E．亚胺培南
参考答案：B
根据句意和首字母提示补全单词。
1. —Do you know where p_______ live? —They live in Sichuan.
2. There are many kinds of a_______ in the zoo.
3. I like penguins very much, I think they're very c_______.
4. — Let's go to the library f_______
5. —The e_______ are from Africa. —Oh, they are so big.
已经按照法律、法规的规定予以降低资质等级处罚的行为，年检中( )。
A．不予年检B．要重复追究C．酌情考虑D．不再重复追究
