季节性变应性鼻炎常见的变应原是()。 A.螨 B.真菌 C.风媒花粉 D.羽毛 E. 发布时间:2017-06-02 05:17 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 季节性变应性鼻炎常见的变应原是()。A.螨B.真菌C.风媒花粉D.羽毛E.细菌感染
题型:单项选择题 A1/A2型题 We had worked only one hour it began to rain so heavily that we had to put up our tent.[ ]A. before B. when C. after D. until 查看答案