寒包热哮证喉中痰鸣的特点是
A．痰少质粘或如絮条B．痰多黏腻色白C．痰稀薄而白D．痰黏稠而黄E．痰少而黏或带血丝
参考答案：A
根据句义和所给首字母完成下列单词。
1. — What's the girl doing?
— She's s_____.
2. — What's the boy doing?
— He's d_____ his homework.
3. — What are you doing?
— I'm d______ tea.
4. — What are they doing?
— They're e______ bananas.
5. — What are Mary and Tom doing?
— They're g______ to school.
隧道内接触网带电体距机车车辆的静态间隙（包括振动量在内）为（）。
A、250mm
B、300mm
C、350mm
D、400mm
