下列哪项是咳嗽肺阴亏虚证的主要特征
A．咳逆上气阵作B．干咳声短，痰少而粘C．咳时痰滞咽喉D．反复咳嗽痰多E．咳时胸闷呕恶
参考答案：B
Which of the following is an example of the third form of cooperation as it is defined in Paragraph 4
A．Students form a study group so that all of them can improve their grades.
B．A new business attempts to take customers away from an established company.
C．Two rival political parties temporarily work together to defeat a third party.
D．Members of a farming community share work and the food that they grow.
地下通信管道与已有建筑物的平行净距不小于（）。
A、0.8m
B、1m
C、1.5m
D、2m
