This is a nature ____ .There is a  ____ and some  ____ in the sky.There are two  ____ flying in the sky.Look! There is a beautiful  ____ between the two ____ .There is a long  ____ on the grass.There are some  ____ on the grass. ____ a  ____ picture it is!

I'm a doctor. I work in a ___________.       

小明用刻度尺测物体的长度，如图所示，他所用的刻度尺的分度值是　 ____，物体的长度是　 ____ cm．