tea茶是可数名词吗

　　例句：

　　I like tea while she likes coffee.

　　我喜欢喝茶，而她喜欢喝咖啡。

　　When should I have the tea insured?

　　我什么时候将这批茶叶投保？

　　So, what is the name of its tea come from?

　　那么，什么是它的茶叶的名字从何而来？