第4~7肋骨容易被折断的主要解剖学原因是
A.此处肋骨是胸部的显露位置B.此处肋骨不是浮肋C.缺少肌肉的保护D.肋骨长而固定E.前段与胸骨成弓状连接,弹性较大
参考答案:D
I've tried very hard to improve my English. But by no means _____ with my progress. [ ]
A. the teacher is not satisfied
B. is the teacher not satisfied
C. the teacher is satisfied
D. is the teacher satisfied
螺内酯治疗肝硬化腹水,用法错误的是()
A.螺内酯最大剂量为400mg/日
B.螺内酯+氨苯蝶啶
C.螺内酯和呋塞米剂量比为100mg:40mg
D.螺内酯+呋塞米
E.螺内酯单独使用