糖皮质激素治疗最有效的是（）
A.再生障碍性贫血
B.淋巴瘤
C.地中海贫血
D.特发性血小板减少性紫癜
E.蚕豆病
参考答案：D
肾病综合征时，产生水肿的主要始动因素是 （）
A.毛细血管滤过压增高
B.毛细血管通透性增高
C.水与钠潴留
D.血浆胶体渗透压降低
E.淋巴液回流受阻
His fahter _____in New York last Friday. But he _____here now.
A．is , was
B．was, is
C．were, is
D．were, was
