下列急性腹膜炎的临床表现最有诊断价值的是（）
A.持续性腹痛
B.肠鸣音减弱
C.移动性浊音
D.腹膜刺激征
E.腹胀、呕吐
参考答案：D
The film _______ by Ang Lee won five Oscars, including the best foreign language award. [ ]
A. was directed
B. directing
C. directed
D. which directed
便秘副作用最常见的药物分别是（）。
A.硫糖铝
B.阿托品
C.枸橼酸铋钾
D.法莫替丁
E.米索前列醇
