题目

-There is going to be a new movie on tonight．Will you be free then? -________．Let's go together． A．That's right                              B．It's very kind of you to ask me． C．Why not?                                    D．Nothing much． 答案：D在人体内发生的哪种变化不会引起免疫反应A.细菌感染B.器官移植C.血糖浓度升高D.红细胞衰老