题目内容

B型人血清中有

A. 抗A抗体
B. 抗B抗体
C. 无抗A抗体,有抗B抗体
D. 无抗B抗体,有抗A抗体
E. 既有抗A抗体,也有抗B抗体

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成熟B细胞mIg主要为

A. mIgG和mIgM
B. mIgA和mIgM
C. mIgD和mIgM
D. mIgG和mIgD
E. mIgA和mIgD

产品组合的长度是指一个企业(_)的总数。

There are multiple rounds of interviews. The initial interview may involve staff from human resources, questions based on the resume will be asked and personal information are the focus.

A. 对
B. 错

You are likely to be invited to make a brief self-introduction during the initial interview.

A. 对
B. 错

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