内伤咳嗽与下列哪些脏腑有关
A．肝
B．肺
C．脾
D．肾
参考答案：A,B,C,D
To be polite, we sometimes might even need to spend some time _____ in to a question or a request.[ ]
A. playing
B. leading
C. having
D. taking
产业关联理论分析的内容包括（）
A．前向关联
B．后向关联
C．就业和资本需求量
D．生产的最终依赖度
