【单选题】—Is this ________ ruler? —Yes, it's her ruler. [ ]
【单选题】—Is this your ruler? —______. It's my ruler. [ ]
【简答题】—Is this _____ ruler? —Yes, _____ is _____ ruler. [ ] A, his, it, me B. your, this, his C. your, it, my
【单选题】This is ruler. It’s not my ruler.
【单选题】My ruler is ______ blue. It's ______ blue ruler. [ ]
【多选题】在《利用最小偏向角法测量三棱镜折射率》实验中,找到色散后各颜色光最小偏向位置,并读取各颜色光偏向的最小位置的角坐标( θ 1、 θ2、 θ 3、...);再读取一次入射光(白光)的角坐标 θ ;则各色光的最小偏向角为:δ 1= θ 1- θ ; δ 2= θ 2- θ ; δ 3= θ 3- θ ...。( )
D.
一般测出某色光的最小偏向的角位置同时,测出入射光的角位置。
【单选题】下列明末清初来华传教士,按时间顺序排列,正确的是( )。