有一个点光源S,放在平面镜MN前,若镜MN不动,光源S以2m/s的速度沿与镜面成45°角的方向向右做匀速直线运动,如图所示,则光源S在镜中的像S′将( )
A:以速度4m/s沿SO直线方向向右平移
B:以速度2m/s沿垂直于SO方向向上平移
C:以速度2m/s沿垂直于SO方向向下平移
D:以速度4m/s沿SO直线方向向左平移
Jim, what happened to you?____ A. Walt Disney.
Which do you like better, tea or coffee?____ B. I went to the beach.
Where did you go on vacation?____ C. Coffee.
What's the best movie theater to go to?____ D. I lost my watch yesterday.
Who was the most successful man?____ E. Xinhua cinema, I think.