具有收敛固涩,益气生津,补肾宁心功效的药物是()
A.乌梅
B.浮小麦
C.麻黄根
D.山茱萸
E.五味子
参考答案:E
Mr. Wang has two sons, ___ looks like him.
A.both of whom
B.neither of whom
C.all of them
D.each of them
合同书与确认书在条款项目和内容的繁简上存在差异,故二者的法律效力不同。( )