[单项选择]His salary as a bus driver is much higher ______ A. in comparison the salary of a teacher B. than a teacher C. than that of a teacher D. to compare as a teacher
第15题: [单项选择]确诊羊疥螨病主要根据() A. 血液嗜碱性粒细胞增加 B. 血液涂片镜检见有虫体 C. 皮肤病料镜检见大量虫卵 D. 血液嗜酸性粒细胞增加 E. 时常擦痒,皮肤表面形成痂块,大面积脱毛 参考答案:B 答案解析:根据症状,在健康与病变皮肤交界处采集病料,显微镜下检查发现虫体即可确诊。采集病料时应刮至稍微出血。