气管肿瘤的常见症状有：（）
A．呼吸困难
B．哮喘或咳嗽
C．反复发作的肺炎
D．咯血
E．声嘶
参考答案：A,B,C,D,E
It seems that living green is easy and affordable. A small step makes a big difference.
A．surprisingly
B．fortunately
C．exactly
D．hardly
以沉默痴呆，语无伦次，静而多喜为特征者，诊为（）
A．痫证
B．癫证
C．狂证
D．厥证
