关于嗜麦芽窄食单胞菌的鉴定要点,正确的是()
A.氧化酶阳性
B.麦芽糖氧化
C.水解七叶苷
D.液化明胶
E.DNA酶阳性
参考答案:B, C, D, E
In the past, the workers _____ do a lot of hard work.
A. forced B. forced to C. were forced to
叶和全草类药材加工一般采用()。