地方性斑疹伤寒的病原体是
A.普氏立克次体B.斑疹伤寒立克次体C.恙虫病立克次体D.贝纳柯克斯体E.汉塞巴通体
参考答案:B
易升华的饮片是()
A.冰片
B.芒硝
C.阿魏
D.滑石
E.血竭
This is not my story, nor ______ the whole story. My story plays out differently.
A.is there
B.there is
C.is it
D.it is