问题
单项选择题 A3/A4型题
患者男，35岁。因急性阑尾炎拟行手术治疗。患者同时患有急性间隙性血卟啉病。
血卟啉病的原发性缺陷是缺乏（）
A.维生素B12
B.维生素A和维生素D
C.尿卟啉原合成酶
D.2，3-=磷酸甘油酶
E.卟吩胆色素原
答案
参考答案：C
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患者男，35岁。因急性阑尾炎拟行手术治疗。患者同时患有急性间隙性血卟啉病。
血卟啉病的原发性缺陷是缺乏（）
A.维生素B12
B.维生素A和维生素D
C.尿卟啉原合成酶
D.2，3-=磷酸甘油酶
E.卟吩胆色素原
参考答案：C
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| One very cold morning, my, father and I were working on the farm. I asked him how long I must stay in the 1 . "About an hour." he answered. "I wish I could go hone now-my 2 aches." "I am sorry, but can't you stay till lunch time?" said my father. "But my headache is getting 3 ." "Well," said he, "you may go home. I don't want you to work if you are sick. Go straight home 4 tell your mother to give you some rhubarb (大黄,一种苦药). It will 5 you a lot." I went back home. However, I told my mother that my head was better, hoping not to 6 the terrible medicine. But it was too 7 . She understood my 8 as well as my father. So she prepared the rhubarb. I had to swallow (吞) all of the rhubarb. Dear me! How bitter it was! I would rather 9 all day in the field. But it cured (治愈) my laziness, and I learned that it is important to be 10 . Friends, keep it, though there is another and a better reason. | |||
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