产生肠毒素的细菌有()
A.霍乱弧菌
B.金黄色葡萄球菌
C.痢疾志贺菌
D.大肠埃希菌O157:H7血清型
E.ETEC
参考答案:A, B, C, D, E
She is ________ the newspapers to be thrown away and putting away the rest.[ ]
A.sorting out
B.figuring out
C.making out
D.turning out
压力开关是自动喷水灭火系统中重要的水压传感继电器,与水力警铃统称为水力报警器