未知题型
A、分子生物学检测B、直接检测C、抗原检测D、动力检测E、分离培养正确答案：分子生物学检测；直接检测；抗原检测；分离培养
How did the author come to notice old women carrying a ...
未知题型How did the author come to notice old women carrying a big load of firewood （）
引起甲类烈性传染病的细菌有：
未知题型引起甲类烈性传染病的细菌有：
a ______ of firewood
未知题型a ______ of firewood
