A:狂犬病病毒属于单细胞生物
B:携带狂犬病病毒的病犬属于病原体
C:人接种狂犬病疫苗后,淋巴细胞会产生抗体
D:接种狂犬病疫苗的免疫类型属于非特异性免疫
—Thank you, Steve. I only _____ it as a good _______ to improve myself in many ways.
Where is the boy buying a big house for his parents?
汉武帝时开始铸造的一种标准铜币,其实际重量与币面重量一致,并在中国历史上流行了七百多年。这种货币叫( )