引起毒素型食物中毒的细菌有（）
A.沙门菌属
B.变形杆菌
C.副溶血性弧菌
D.金黄色葡萄球菌
E.肉毒杆菌
参考答案：D, E
---_____ of them knows Japanese, so I have to ask a third person for help.
---You’d better ask Tom for help. He is good at Japanese.
A．Neither
B．All
C．Both
D．None
