试题与答案

机体全部免疫细胞都来自A.胸腺 B.脾脏 C.骨髓 D.淋巴结 E.以上都不是

题型:单项选择题

题目:

机体全部免疫细胞都来自

A.胸腺

B.脾脏

C.骨髓

D.淋巴结

E.以上都不是

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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