第4题: [单项选择]A.He’s growing very quickly. B.He’s the tallest of the three boys. C.He can jump high. D.He must be tall at three years old. 参考答案:A 答案解析:[听力原文] M: Your little nephew is growing by leaps and bounds. W: Yes, he must be at leas
第32题: [单项选择]诊断慢性淋巴细胞白血病的主要依据是() A. 外周血白细胞总数增高,达(30~100)×109/L B. 幼淋巴细胞显著增多,>30% C. 骨髓粒系及红系细胞均明显受抑 D. Ph染色体阴性 E. 骨髓淋巴细胞系高度增生,以成熟小淋巴细胞为主,占有核细胞40%以上 参考答案:A 答案解析:慢性淋巴细胞骨髓以成熟小淋巴细胞为主,>40%为最主要的诊断依据。