tea茶是可數名詞嗎

　　例句：

　　I like tea while she likes coffee.

　　我喜歡喝茶，而她喜歡喝咖啡。

　　When should I have the tea insured?

　　我什么時候將這批茶葉投保？

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

　　那么，什么是它的茶葉的名字從何而來？