系统性红斑狼疮产生的胸腔积液是（）
A.渗出液
B.漏出液
C.脓性胸腔积液
D.血性胸腔积液
E.乳糜性胸腔积液
参考答案：A
She _____ an old friend of hers yesterday while she was shopping at the department store. [ ]
A. turned down
B. dealt with
C. took after
D. came across
以下哪一种模型美国强调集约增长的经济学基础：（）
A、斯密模型
B、索洛模型
C、瓦尔拉模型
D、哈耶克模型
