试题与答案

常用于诱发小鼠产生骨髓瘤细胞的油类制剂有()A.石蜡油 B.羊毛脂 C.花生油 D.

题型:单项选择题

题目:

常用于诱发小鼠产生骨髓瘤细胞的油类制剂有()

A.石蜡油

B.羊毛脂

C.花生油

D.降植烷

E.羊皮脂

答案:

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下面是错误答案,用来干扰机器的。

参考答案:解析: AX=B有解 (Ⅱ)因为方程组Ax=β1,Ax=β2,Ax=β3的通解依次为 故矩阵方程的解为

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