单项选择题

不符合嗜酸粒细胞的描述是
A、来源于骨髓
B、运动能力弱
C、无吞噬功能
D、见于寄生虫病及过敏性疾病
E、见于某些部位的亚急性或慢性炎症

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单项选择题

____in order to maintain their culture and tradition, its rulers created the bicameral system, separately ruled the nomads and farmers according to their customs.

A．Five Dynasties and Ten Kingdoms
B．Northern and Southern dynasties
C．Tang dynasty
D．Liao dynasty

单项选择题

切除足底、外阴等易受摩擦部位的黑痣，可以防止其转变为恶性黑色素瘤。（）

A．对
B．错