股骨干骨折,髓腔血肿张力过大,患者出现呼吸困难等应考虑()
A.脂肪栓塞
B.缺血性肌挛缩
C.缺血性骨坏死
D.创伤性关节炎
E.骨化性肌炎(损伤性骨化)
参考答案:A
Today computers _____ a great deal in many fields. [ ]
A. are use
B. use
C. are used
D. used
描写元宵节情景的诗句“月上柳梢头”,下一句是什么?