隧道洞口边、仰坡冲沟宜采用（）等工程措施。
参考答案：排导槽
Children are often full of __________ and they take great interest in everything.
A．concern
B．purpose
C．curiosity
D．strength
肺衰虚证的治法是
A．温补肺肾
B．温通心肺
C．温肺化饮
D．温肾纳气
E．摄纳浮阳
