pears, beets and feta salad

Ingredients

• 2 - cooked beets, cut into chunks (it saves time to buy the already cooked beets in the produce section of the grocery store.)
• 2 - bosc or anjou pears, cut into chunks
• ½ - iceberg lettuce head, chopped
• small bunch arugula leaves or watercress
• 4 ounces feta cheese crumbles
• 1/2 cup pecans, halved
• 2 small avocados, cubed
• DRESSING
• 1/2 - lemon, juiced
• 2 tablespoons vegetable oil
• 2 tablespoons sugar
• 1/4 teaspoon salt