企业库存现金的最高限额一般为（）日常零星开支。A．10天 B．3～5天 C．15天

下列选项不是病原体初步诊断的是（）.

A.直接染色镜检

B.特异性抗原检测

C.血清学检测特异性IgG和（或）IgM抗体

D.借助分子生物学方法检测病原体核酸

E.分离鉴定病原体及药敏试验

对肉芽组织观察时，下列哪项是正常的肉芽组织：()。

A．表面光滑晶亮

B．粉红色

C．质软色灰暗

D．分泌物多

E．触之易出血

The school ____ we visited last week is the one ____ the singer was born.

A．where, where

B．where, which

C．which, where

D．which, that

Which of the following will cause an increase in the demand for labor（）

A. An increase in the labor supply.

B. A decrease in labor productivity.

C. An increase in the demand for the final good or service.

生品行血、炒炭止血的药物是（）

A.蒲黄

B.麦芽

C.荆芥

D.大蓟

E.槟榔