Would you like to tell me___?
A. what university did you graduate from
B. what university were you graduate from
C. what university you graduate from
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英译中: She did not think it would be fair if she blamed him again.
在胸腺中发育且参与各种细胞免疫反应,能产生干扰素和白细胞介素等各种细胞因子的被称为T淋巴细胞。()
A. 对
B. 错
具有产生抗体这种免疫机制的只有脊椎动物。()
A. 对
B. 错
直流电机绕组内部绕组中,建立主磁场的是( )。
A. 电枢绕组
B. 励磁绕组
C. 换向极绕组
D. 补偿绕组