感染后不产生保护性抗体的是() A.病毒感染 B.原虫感染 C.细菌感染 D.蠕虫感 发布时间:2017-06-02 14:23 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 感染后不产生保护性抗体的是()A.病毒感染B.原虫感染C.细菌感染D.蠕虫感染E.螺旋体感染
题型:单项选择题 A1/A2型题 In the past ten years, the ____mountain climber ____ a lot from his own adventurous _______A.experienced; experienced; experienceB.experience; experienced; experiencesC.experienced; has experienced; experiencesD.experience; has experience; experience 查看答案