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问题 单项选择题

男性，病史2周，贫血伴周身出血点，浅表淋巴结不肿大，胸骨压痛(+)，肝脏轻度肿大，外周血白细胞25乘以十的九次方/L，可见幼稚细胞，血小板5乘以十的九次方/L，血红蛋白40g/L，该患者最可能诊断

A．败血症

B．再生障碍性贫血

C．过敏性紫癜

D．急性白血病

E．恶性淋巴瘤

答案

参考答案：D

单项选择题

A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s (1) , she said she would go. This (2) be the first time that his classmates and teacher (3) his mother and he felt (4) of her appearance. Although she was a beautiful woman, there was a severe sear (疤痕) that (5) nearly the entire right side of her face. The boy never wanted to (6) why or how she got the sear.At the meeting, the people were (7) by the kindness and natural beauty of his mother (8) the sear, but the little boy was still embarrassed (尴尬) and (9) himself from everyone. He did, however, get within (10) of a conversation between his mother and his teacher.The teacher asked (11) ," How did you get the scar on your face"The mother replied, " (12) my son was a baby, he was in a room that caught fire. Everyone was (13) afraid to go in because the fire was (14) , so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked (15) but fortunately, a fireman came in and saved both of us. " She (16) the burned side of her face. "This scar will be (17) , but to this day, I have never (18) what I did. "At this moment, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great (19) of the sacrifice (牺牲) that his mother had made for him. He held her hand (20) for the rest of the day.

第（7）空应选择（）

A．impressed 

B．surprised 

C．excited 

D．comforted
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选择题

煤是工业的粮食，石油是工业的血液。下列关于煤和石油的说法中错误的是（  ）

A．煤油可由石油分馏获得，可用作燃料和保存少量金属钠

B．煤焦油的分馏和石油的催化重整均可获得芳香烃

C．石油的催化裂化的主要目的是提高轻质液体燃料的产量和质量

D．石油的分馏和煤的干馏都是物理变化
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