男,19岁,外伤后出现鼻根部扁平宽大,内眦间距45mm,双眼视力严重减退,其最可能的诊断是()。
A.击出性骨折
B.击入性骨折
C.鼻骨骨折
D.筛窦骨折
E.蝶窦骨折
参考答案:D
China has been pushing the reform of public hospitals ________ all its citizens.[ ]
A. in charge of
B. for the purpose of
C. in honor of
D. for the benefit of
给水管道防冻防结露的方法对管道进行绝热,常用的绝热层材料有()。
A.聚氮酯
B.石棉
C.岩棉
D.毛毡