仓库内的害虫大多来源于(),能适应仓库的环境而继续繁殖。
A、江河湖泊
B、生产车间
C、农作物
D、生活区域
参考答案:C
— I heard The Wonder girls would sing at the HongBo Theater.
— Where did you ____?[ ]
A. pick that up
B. put that up
C. make that up
D. take that up
简述破伤风菌致病条件。