A. —CH2— B. —CH= C. —CH=NH D. —COOH
A. with B. in C. from D. on
A. called B. calling C. to call D. to be called
A. 正确 B. 错误
A. 尿蛋白定量 B. 血清补体C3 C. 双肾B超 D. 抗核抗体