(如图所示)这个符号的开关控制什么装置?()
A.后风窗玻璃除霜或除雾
B.前风窗玻璃刮水器及洗涤器
C.后风窗玻璃刮水器及洗涤器
D.前风窗玻璃除霜或除雾
参考答案:C
-What were you doing at this time yesterday?
- ______________.
[ ]
A. I watch TV
B. I watched TV
C. I was watching TV
D. I’m watching TV
典型急性肺水肿X线征象()
A.是肺纹理模糊
B.出现间隔线
C.胸膜少量积液
D.肺门旁蝶翼状影
E.含气支气管征