夜晚,当汽车发出的光照射到自行车尾灯上时,司机看到尾灯反射的光,就能及时避让.如图中有关自行车尾灯的光路图正确的是( )
A:
B:
C:
D:
48÷6=____因为6×____=48
54÷6=____因为6×____=54
—What do you think of your new job, Jim?
—It's _______. I do exactly the same thing every day.