具有清热燥湿,泻火解毒作用的药物是()
A.栀子
B.石膏
C.黄柏
D.知母
E.黄连
参考答案:E
隧道出碴运输轨道要求()
A、人力推运的钢轨质量应不小于8kg/m
B、机动车牵引的钢轨质量不小于43kg/m
C、轨枕间距不宜大于70cm
D、轨枕长度多轨距加60cm
89. His term papers mainly _____ the history of social developments in Song dynasty.
A.does with
B.treats
C.deals with
D.Deals