下列是引起 * * 溢液的良性病变，但除外（）
A.导管扩张症
B.导管内 * * 状瘤
C.慢性炎症
D.妊娠后期
E.产后
参考答案：B
In order to _______ a good knowledge of English, he gave up his job and went to study in an English school. [ ]
A. require
B. acquire
C. inquire
D. address
吸入性肺炎最大临床特点是（）
A.有喘鸣
B.复苏后发绀，气促，无咳嗽
C.皮肤黄染
D.肺部一定有啰音
E.生后6小时后出现呼吸困难
