Orange Beef and Broccoli

Name: Orange Beef and Broccoli
Ingredients: 1/4 cup chicken broth; 3 tablespoons dry sherry or chicken broth; 1/2 cup orange juice; 2 tablespoons soy sauce; 1 tablespoon grated fresh ginger; 2 teaspoons cornstarch; 1 teaspoon toasted sesame oil; 1/2 teaspoon crushed red-pepper flakes; 3/4 pound beef sirloin, trimmed of all visible fat and cut into 1/4-thick strips; 2 teaspoons vegetable oil; 1 large bunch broccoli, cut into florets; 1 bunch scallions, cut into 1/4-thick diagonal slices; 3 cloves garlic, minced; 2 cups cooked basmati rice