慢性支气管炎的病因与下列哪项关系不大（）
A.长期吸烟
B.长期空气污染
C.免疫功能亢进
D.反复呼吸道感染
E.家族遗传因素
参考答案：C
Bush, 59, looked fresh and _______ as he _______ of the sunny weather to enjoy one of his favorite pastimes.
A．energetic; took advantage
B．cautious; took charge
C．outgoing; took control
D．curious; took notice
哪一种疾病的血尿属于肾小球性血尿（）
A.肾挫伤
B.急性肾炎
C.尿路感染
D.特发性高钙尿症
E.药物性血尿
