下列哪几项属于病原体的致病力（）
A.侵袭力
B.毒力
C.繁殖或复制能力
D.数量
E.变异性
参考答案：A, B, C, D, E
With my money ________, I had to stop shopping and went back home.
A．ran out of
B．ran out
C．running out of
D．running out
利用倒链起吊水导油盆盆体时，允许多人拉倒链。
