Are there any trees and flowers in the park?
there aren‘t any girls in the comruter room.
Is there a glass of juice on the table?
Is there any milk in the table
There are some hamburgers in the shop.
There is an ice-cream in his hand.
Give me some water,please?(但是现实中在服务场所用a 也可以表示一人份的,其他饮料都是一个道理)