【单选题】My math teacher Mr.Steve is the most creative person I know.
【单选题】人体协调内部的生物信息过程主要涉及神经系统和( )系统这两个系统。
【单选题】I don’t know ________ he said to my teacher.
【简答题】人体协调内部的生物信息过程主要涉及两个系统:即()和()。
【单选题】When I was young, I was silly enough to ____ my teacher to know everything.
【单选题】室内空气中甲醛及氨气的样品采集方法是( )。