不属肱骨干骨折手术绝对适应证的是:
A.多段或粉碎骨折
B.骨折不愈合
C.长时间外固定影响工作者
D.经2~3个月保守治疗迟延愈合者
E.病理性骨折
参考答案:C
补体含量测定()
A.酶联免疫斑点试验(ELISPOT)
B.双向免疫扩散
C.免疫电泳
D.单向免疫扩散
E.免疫荧光
John's article published in today's newspaper ______ the problem of pollution ______of the public. [ ]
A. took; for the attention
B. took; to the attention
C. brought; under the attention
D. brought; to the attention