与风湿热密切相关的病原体为()
A.金黄色葡萄球菌
B.A组乙型溶血性链球菌
C.肺炎支原体
D.柯萨奇B病毒
E.病原体不明
参考答案:B
A. Evidence shows that wild animals can transmit virus to man. B. Scientists report the extinction of some endangered wild animals C. Men and women cannot protect themselves from the attack of virus. D. Hunting or eating animals will not bring the risk of being infected by virus.
大事记是志书的一种体裁,称为()。
A、记体
B、时体
C、事体
D、历体