问题
单项选择题 A1/A2型题
支气管哮喘发作的常见诱因为()。
A.花粉
B.感染
C.药物
D.受凉
E.过敏
答案
参考答案:E
支气管哮喘发作的常见诱因为()。
A.花粉
B.感染
C.药物
D.受凉
E.过敏
参考答案:E
用方框里的单词填空
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