My sister, ____(which/who) lives in Canada, is a dancer.
He’s a writer ____(whose/which) books have been translated into one hundred languages.
1.小儿急性肾小球肾炎最常见的病原体是
A. 支原体
B. 肺炎链球菌
C. 乙型肝炎病毒
D. 金黄色葡萄球菌
E. A组β溶血性链球菌
2.急性肾小球肾炎严重病例发生的时间最常见是病初
A. 2周内
B. 3周内
C. 4周内
D. 5周内
E. 2个月内