类风湿因子阳性率最高的疾病是()
A.系统性红斑狼疮
B.风湿性关节炎
C.混合性结缔组织病
D.类风湿关节炎
E.骨关节炎
参考答案:D
骑跨伤多引起()
A.膜部 * * 损伤
B.球部 * * 损伤
C.膀胱损伤
D.输尿管损伤
E.肾损伤
—How _____ glasses of water do you drink every day?
—Three.[ ]
A. \
B. many
C. much
D. little