试述哮喘常见病因。
参考答案：
内因：肺、脾、肾三脏不足，痰饮留伏。
外因：感受外邪，接触异气，嗜食酸甜腥辣。内因痰饮留伏由外因诱发而使哮喘发作。
Do you think that people are _______off than they were five years ago as our standard of living is improving.
A．well
B．worse
C．better
D．badly
角膜基质炎的治疗方法是
A．局部用糖皮质激素点眼B．以上全是C．结膜下注射激素D．伴有虹膜炎者，用1％阿托品点眼E．针对病因治疗，如抗病毒、抗结核等
