题目：Why did the emperors plow in person in the Tilling Ritual?
To encourage farming.
To set an example of industry.
To show how highly valued the farming was.
To demonstrate governmental attitude towards agriculture.
题目：Why did the emperors plow in person in the Tilling Ritual?
To encourage farming.
To set an example of industry.
To show how highly valued the farming was.
To demonstrate governmental attitude towards agriculture.
