桶状胸见于
A．肺气肿
B．支气管哮喘
C．老年人
D．矮胖者
E．以上都是
参考答案：E
He gave me a book to ________. [ ]
A. take care
B. look at
C. look
D. look after
钢化安全玻璃，其规格主要适用于船舶驾驶仓
