题目

根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。有两项多余选项。How to Make the World a Better PlaceWhen you think about people who have made the world a better place, you probably think of famous scientists or great leaders. That is not all the truth. An act of kindness can bring a smile to a person's face even if only for a moment.Give away your money. For example, if you want to help hungry children, you can try to find an international organization that provides food for those in poor areas. Every cent you give away will mean a lot.Hel 下列有关细菌和真菌培养基的制作配方不正确的是 [　　] A．牛肉汁与琼脂混合 B．牛奶与琼脂混合 C．土壤浸出液与琼脂混合 D．蒸馏水与琼脂混合