【判断题】操作人员在离开实验室工作区之前以及接触过传染性物质和动物之后必须洗手。()
【判断题】操作人员在接触过传染性物质和动物之后必须洗手、不用消毒。()
【单选题】In English, they would decribe a stubborn person by say you are as stubborn as a mule. What about in Chinese?
A.
You are as stubborn as a ox.
B.
You are as stubborn as a donkey
【单选题】关于妊娠合并急性病毒性肝炎.错误的叙述是( )
【判断题】操作人员在接触过传染性物质和动物之后必须洗手、不用消毒。