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问题 单项选择题

成年型家族性肌萎缩性侧索硬化发病与下列哪种因素相关（）

A.中毒因素

B.铜／锌超氧化物歧化酶（SOD1）基因突变

C.免疫因素

D.病毒感染

E.微量元素缺乏或堆积

答案

参考答案：B

改错题

I’m glad to write to you. It is near a month since you had left our hospital. I’m still worried about you. How are you get along these days? I think you may be much better now, but I’d better

have a good rest and take good care of yourselves since you are sixty-year-old man. I still remember those days which you helped me to my English. With your help, I make good progress. But to my regret, my English remains very poor through I have made good use of my time. Can you give me some advice on it?
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单项选择题

组成药物中含有桔梗、枳壳的方剂是（）

A．杏苏散

B．败毒散

C．两者均是

D．两者均非
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