Communities without much money and communities with lots of old people.
题意:
哪些社区比其他社区更需要志愿者?
细节理解题。根据倒数第二段,第一至三句Some communities need volunteers more than others.If the communities don't have much money,they will nced a lot of help from volunteers.And communities with lots of old people mayneed more help from volunteers than communitics with more young people.有些社区比其他社区更需要志愿者。 如果社区没有很多钱,他们将需要志愿者的大量帮助。 与年轻人多的社区相比,老年人多的社区可能更需要志愿者的帮助。可知,没有多少钱的社区和有很多老人的社区比其他社区更需要志愿者。故答Communities without much money and communities with lots of old people.