闭合性肋骨骨折,说明肺或支气管有损伤的一项是()。
A.伤侧肺呼吸音减弱
B.伤侧肺有啰音
C.伤侧皮下气肿
D.透视伤侧胸腔积液
参考答案:C
—Have you got ________ ready for your trip to Hainan?
—No, I need to buy a swimsuit and a pair of slippers.
A.everything
B.anything
C.something
D.nothing
什么是CAI?