遗精频作,甚至滑精已经2年,伴有头昏目眩,耳鸣腰酸,脉细弱,尺脉尤甚等症,多属于 ( )
A.肾气虚损,精关不固B.心脾两虚C.心肾不交D.肝肾阴虚
参考答案:A
— What are you doing for vacation?
— I ______ hiking in the mountains. [ ]
A. should go
B. have to go
C. am going
D. can go
过梁设置的目的是增加房屋整体的刚度和墙体的稳定性,增强对横向风力、地基不均匀沉降以及地震的抵抗能力。( )