肺结核常见的X线征象是()
A.毛刺征
B.反S征
C.梅花瓣征
D.卷发征
E.分叶征
参考答案:D
This pair of jeans looks nice_____ Lucy because she looks nice.____ blue.
A.on, in
B.in, on
C.for, on
D.to, in
动态容积法流量标准装置稳流器(稳压容器)本身是一个密封容器