男性，20岁。高热2周应用抗生素治疗无效。胸骨压痛明显，肝脾肋下未触及。入院后皮肤多处片状瘀斑、血尿，肌内注射局部渗血不止，血压110/70mmHg。WBC2.8×109/L，HGB51g/L，PLT9×10g/L。骨髓检查：有核细胞增生极度活跃，胞质颗粒粗大的早幼粒细胞占80%。
患者出血的首要原因是（）
A.血小板减少
B.异常早幼粒细胞浸润血管壁
C.血小板减少伴功能异常
D.DIC
E.凝血因子缺乏
参考答案：D
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| The 28-year-old had spent six years working nights while she gained her university degree during the day. When she finally graduated, she had her eye on a teaching 1 at a nearby primary school. With the help of her friends, she had an interview with the Head. "I noticed a tiny hole in one of my stockings earlier," she 2 . "I thought about changing them, but I knew I'd be late if I did. And by the time I got to the interview, 3 enormous. I walked in apologizing for not 4 ." The would be teacher didn't get the job. In fact one of her friends told her that the 5 only comment was:"If someone doesn't take the time to present her best 6 at an interview, what kind of 7 is she going to be?" First impressions are 8 ones. In other words, if you're viewed positively within the critical (关键的) first four minutes, the person you've met will 9 assume everything you do is positive. Leave the interviewer a bad impression, and often he will assume you have a lot of other unsatisfactory characters. Worse, he or she may not take the time to give you a second 10 . Most employers believe that those who look as if they care about themselves will care more about their jobs. | ||||
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