Shape meat into a large patty in a large skillet or an electric slow cooker with a browning unit; brown 5 minutes on each side, then break up into chunks. Push to one side. Add onion and garlic; saute 5 minutes or until soft. Stir in chili powder and cook 2 minutes. Add salt, pepper and tomato juice; bring to a boiling. Layer one third each of the cabbage, rice, green beans and meat mixture into slow cooker; repeat to make 2 more layers of each; cover cooker. Cook on low for 8 hours or on high for 4 hours, or until vegetables are tender.