属于繁殖期杀菌剂的药物是
A．头孢菌素类B．四环素类C．甲硝唑D．磺胺类E．氨基糖苷类
参考答案：A
The old temple ________ roof was damaged in a storm is now under repair. [ ]
A. where
B. which
C. its
D. whose
职业技能的构成因素不包含（）。
A、体力
B、经历
C、智力
D、知识
