抗体发生作用的特点是( ) A.一种抗体可抵抗多种抗原 B.一种抗体可由多种抗原 发布时间:2017-06-12 18:03 │ 来源:www.tikuol.com 题型:选择题 问题: 抗体发生作用的特点是( )A.一种抗体可抵抗多种抗原B.一种抗体可由多种抗原刺激产生C.抗体随抗原的出现而出现,随抗原的消失而消失D.抗原消失后,抗体仍然存在于人体内
题型:选择题 . The meeting was about to end and everyone was in a hurry to leave when Ted insisted_____ Some questions.A.on askingB.to askC.askingD.that he had asked 查看答案