第3题: [单项选择]Why is the woman late A. In a library. B. In a hotel. C. At a bookstore. 参考答案:A 答案解析:[听力原文] F: How long could I keep the book M: You have to return it before next Friday.
第22题: [单项选择]下列属于T-ALL的免疫学标记的是() A. CD3、CD13 B. CD3、CD7 C. CD22、CD33 D. CD41、CD61 E. CD34、CD38 参考答案:B 答案解析:CD3和CD7是T-ALL的免疫学标记,而CD33和CD13是粒单核细胞的免疫标记,CD19和CD22及CD41和CD61分别是B细胞和巨核细胞的免疫学标记,CD34和CD38是造血干、祖细胞的免疫学