系统性红斑狼疮（）
A.红细胞沉降率增快
B.抗Sm抗体阳性
C.两者均有
D.两者均无
参考答案：C
No man is born ___. We all need to learn to become ____.
A．wise; wise
B．wisely; wisely
C．wise; wisely
D．wisely; wise
