单项选择题A.To show that the technique will not cause fire.B.To highlight the dangers of the old method.C.To explain a step in the new treatment.D.To emphasize the uniqueness of the new method.
单项选择题A.Share the yogurt with the man.B.Ask the man to buy some yogurt.C.Go out with the man for shopping.D.Eat what she brought with her.