林女士，32岁。交通事故中右小腿被车压伤，在当地医院给予石膏固定，第2日出现右小腿持续性剧痛，急转入院。拆除外固定的石膏检查见：右小腿严重肿胀、畸形、右足趾发绀呈屈曲状态，压痛，被动活动时剧痛，足背动脉搏动消失。X线片示右胫腓骨中段粉碎性骨折。
该并发症的主要原因是（）。
A.骨折端移位影响血液循环
B.骨折端刺破局部血管
C.骨折端损伤腓总神经
D.局部血肿压迫
E.骨折端血肿及周围软组织水肿导致
参考答案：E
| 完形填空。 |
| Last Sunday morning, Yang Ling, Helen and I ① to a supermarket to ② shopping. Suddenly I ③ a thin man beside a woman. He ④ her purse ⑤ her bag and then ran out ⑥ the supermarket. I ⑦ Yang Ling and Helen to ⑧ ll0. I ran after the man and shouted. "Stop thief! Stop thief!" The thief ⑨ me and ran faster. Some people helped me to run after the thief. At that time, a police wagon (警车) came and ⑩ the thief. "Great, Liu Tao !" A police officer said to me. |
| （ ）①A. go （ ）②A. do （ ）③A. see （ ）④A. stole （ ）⑤A. to （ ）⑥A. of （ ）⑦A. tell （ ）⑧A. call （ ）⑨A. hear （ ）⑩A. catch | B. are going B. did B. saw B. is stealing B. with B. from B. telled B. calling B. heared B. caught | C. goes C. does C. seeing C. steals C. from C. to C. told C. calls C. heard C. catches | D. went D. doing D. sees D. steal D. to D. at D. telling D. called D. hearing D. to catch |