中央型肺癌的横"S"征的形成,主要与下述哪项有关()
A.右下叶肺不张
B.右中叶肺不张
C.右叶间胸膜肥厚
D.右上叶肺不张
E.右叶间积液
参考答案:D
------It's too cold this morning. I can't get my car__.
------ Have you tried _____ the tank with hot water.
A.started; to fill
B.to start; filling
C.starting; to fill
D.start, filling
急性肾小球肾炎的严重病例常发生在起病的()
A.1~2周内
B.3~4周内
C.5~6周内
D.7~8周内
E.9~10周内