肺部叩诊实音不出现于(
A．胸壁水肿
B．肺不张
C．肺空洞
D．胸膜肥厚
E．胸腔积液
参考答案：C
The town _______ we visited last month is the one _______ the famous painter was born.
A．where; which
B．which; where
C．which; that
D．where; where
卫星数字接收机有图象无声音或有声音无图象，为什么？如何解决？
