【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】Why is the position available?
A.
Alexis is being fired.
C.
The current head is retiring.
D.
Justin is ready to move up.
【单选题】This is ruler. It’s not my 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( )。