甲、乙两图为世界著名的三角洲图。读图回答下列小题。

下列句子中，划线词语使用不当的一项是（    ）

    Most English people have three names: a first name, a middle name and a family name. For example, my full name is Ann Allan Green. Green is my family name. Ann and Allan are my given names. People don't use their middle names very much.So we can say Ann Green. We can say Miss Green or Mrs. Green. But we can't say Miss Ann or Mrs. Ann. It's different from Chinese names. In China, the first name is the family name and the last name is the given name.

如图是人体消化系统部分器官示意图，请据图回答下列问题：