软胶囊的胶皮处方,较适宜的重量比是增塑剂:明胶:水为
A.(0.4~0.6):1:1B.1:(0.4~0.6):1C.1:1:1D.0.5:1:1E.1:0.5:1
参考答案:A
Madame Curie is believed _______ radium.
A.discovering
B.having discovered
C.to have discovered
D.to discover
损伤性血胸,胸腔穿刺抽出不凝血主要因为( )
A.出血量少B.心脏、肺和膈肌的去纤维蛋白作用C.胸腔内负压D.凝血功能障碍E.胸壁运动