下列哪种病不易造成局限性肺气肿()
A.支气管异物
B.支气管囊肿
C.支气管扩张
D.支气管良性肿瘤
E.支气管恶性肿瘤
参考答案:B
To improve the quality of our products, we ask ____ has used them for suggestions.
A.anyone
B.who
C.no matter who
D.whoever
水是人体中含量最多的成分,占体重的60%左右,人体若丢失水分()以上。生命活动将无法维持
A、0.2
B、0.4
C、0.3
D、0.5