China is always carrying out foreign policies that are ______ enough to fit in with varieties of complicated

international situations. [ ]

A. particular

B. flexible

C. delicate

D. permanent

肝硬化腹水患者，应首选的利尿剂为（）

A.甘露醇

B.利尿酸钠

C.氢氯噻嗪

D.螺内酯（安体舒通）

E.呋塞米（速尿）