不是炭疽杆菌的传播途径有[ ]
A．皮肤接触
B．老鼠
C．呼吸道吸入
D．肠道感染
答案：B
Where are you going? [ ]
A. To the grocery store
B. To the bicycle shop
胶带输送机过载后可通过多次碰车，逐渐拉空皮带。
[ ]