胶艾汤主治证的病机是
A．肝火犯肺B．血热妄行C．瘀血留结胞宫D．冲任虚损E．下焦瘀热
参考答案：D
Today the forests have almost gone. People must_____down too many trees. [ ]
A. stop froming cutting
B. stop to cut
C. be stopped from cutting
D. be stopped to cut
为了达到洁净室内空气洁净度标准，是否需要将洁净室内空气净化
A．不必B．必须C．根据药品D．根据pHE．根据环境
