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