肝硬化的并发症中最常见的是:()
A.自发性腹膜炎
B.上消化道出血
C.水、电解质紊乱
D.功能性肾衰竭
E.肝性脑病
参考答案:B
-般而言,-种商品的替代性商品越多,该商品的需求弹性就()。
A.越小
B.越大
C.趋于零
D.不确定
Such benefits are predicted to be greatest for Germany and Austria, ______ retain the closest ties with the candidate countries.
A.which
B.where
C.who
D.that