铁锈色痰常见的疾病是（）
A.支气管扩张
B.肺结核
C.阿米巴肺脓肿
D.慢性支气管炎
E.大叶性肺炎
参考答案：E
— Look, dad, my College Graduation Certificate is here!I've got it.
— Oh, ________, dear!You have finally realized your dream.[ ]
A. congratulation
B. congratulations
C. celebrations
D. greetings
托运行李头等舱免费行李额为（）
