第21题: [单项选择]CML慢性期外周血和骨髓中原始细胞的特征是() A. 原粒细胞(Ⅰ型+Ⅱ型)≤10% B. 原粒细胞(Ⅰ型+Ⅱ型)>10% C. 原粒细胞(Ⅰ型+Ⅱ型)≥20% D. 原淋+幼淋≥20% E. 原单+幼单≥20% 参考答案:A 答案解析:CML慢性期骨髓增生明显活跃至极度活跃,以粒系增生为主,中、晚幼粒细胞和杆状粒细胞增多,原粒细胞(Ⅰ型+Ⅱ型)≤10%。
第28题: [单项选择]This is Alice(艾丽斯). She is eleven. She is in Class One. I’m Gao Wei. I’m twelve. Alice and I are in the same class. Our English teacher is Miss Green. We like English. Alice and Gao Wei like English. [A] True [B] False 参考答案:A 答案解析:见最后一句。
A. the rescuers had reacted more quickly B. eyewitnesses had all helped the rescue work C. the fans in the past had not been so ignorant of the fire precaution rule D. the fire-brigade had come earlier 参考答案:C 答案解析:[解析] “如果过去球迷不忽视消防法规,这次灾难的损失就可能降低。”因为过去球迷们闹事时,曾用灭火器做过武器,为了防止此类事件再次发生,举办者撤走了所有的灭火器。所以选C。