患者某女,因家庭纠纷,夫妻不和,两月前开始抑郁寡欢,心烦易怒,伴有右胁下胀满不适、口苦、食欲不振等症,此为()
A.肝阳上亢
B.肝血不足
C.肝气郁滞
D.肝经风热
参考答案:C
---How was your climb up Mount Tai?
---I didn’t believe I could do it I got to the top.
A.until
B.unless
C.after
D.when
设有关系R和S,关系代数表达式R-(R-S)表示的是( )。
A.R∩S
B.R-S
C.R∪S
D.R÷S