符号形式与指示内容关系的阶段中第三阶段是(    )
   A．事物、事物状态理解困难阶段    B．用符号理解表达阶段
   C．事物的功能性操作阶段    D．组句(语言规则)阶段
   E．句子形式(语言规则)阶段

肺的门户是( ) A．鼻 B．喉 C．皮毛 ...

单项选择题肺的门户是(    )
   A．鼻    B．喉    C．皮毛    D．腠理    E．汗孔

颅脑损伤后出现躁动不安首先应考虑( ) A．缺氧 B．尿潴留 ...

单项选择题颅脑损伤后出现躁动不安首先应考虑(    )
   A．缺氧    B．尿潴留    C．颅内血肿    D．便秘    E．卧姿不适

Few people went to meet him at the railway station yest...

单项选择题Few people went to meet him at the railway station yesterday, ______ ?
   A．didn't they      B．did they           C．weren't they       D．were they