间质性肺水肿的X线表现有()
A.肺纹理和肺门血管阴影模糊
B.支气管袖口征
C.蝶翼征
D.胸膜下水肿
E.两上肺静脉分支增粗
参考答案:A, B, D, E
The real-name policy for train tickets has been applied to all trains since January l, 2012 in China,________ will make it easy for people to get tickets.
A.which
B.when
C.what
D.Where
某种规格的轴,其直径要求为长期检验结果表明,其直径均值为μ= 18。05,标准差σ=0.05。
该生产过程的能力指数CpK(为()。
A.1.33
B.2.0
C.1.0
D.1.67