问题
单项选择题
再生障碍危象，下列何项是正确的
A．急性溶血性贫血，全血细胞增加，骨髓增生活跃
B．慢性溶血性贫血，全血细胞减少，骨髓增生减低
C．急性溶血性贫血，全血细胞减少，骨髓红系增生活跃
D．慢性溶血性贫血，粒细胞、血小板正常，骨髓红系增生活跃
E．慢性溶血性贫血，全血细胞减少，网织红细胞＞5％
答案
参考答案：B
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再生障碍危象，下列何项是正确的
A．急性溶血性贫血，全血细胞增加，骨髓增生活跃
B．慢性溶血性贫血，全血细胞减少，骨髓增生减低
C．急性溶血性贫血，全血细胞减少，骨髓红系增生活跃
D．慢性溶血性贫血，粒细胞、血小板正常，骨髓红系增生活跃
E．慢性溶血性贫血，全血细胞减少，网织红细胞＞5％
参考答案：B
| 从方框中选出适当的句子补全对话，其中有两项是多余的。 | |
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| A: Hi, Jack. You were not at school yesterday. (1) B: Oh, I had a headache and I had to ask for a sick leave. A: Sorry to hear that. (2) B: Yes, my mother took me to the hospital. The doctor looked me over and said I had caught a cold. A: (3) B: Yes, a little. The doctor told me to take these pills three times a day and drink more water. A: (4) B: Yes, much better. A: (5) B: I will. Thank you. |