气胸作胸腔穿刺排气其穿刺点应该在()
A.锁骨中线第2肋问
B.锁骨中线第3肋间
C.腋中线第7肋间
D.腋后线第7肋间
E.腋后线第8肋间
参考答案:A
,The ____boy was last seen ______near the East Lake.
A.Missing, playing B. missing, play C missed ,played D missed ,to play
夏季,青藏高原气温最低是因为[ ]
A.纬度因素影响
B.海陆位置影响
C.地形因素影响
D.夏季风影响