生物体的主要遗传物质是（    ）

人体的各种生理活动离不开营养物质，下列有关营养物质的叙述不正确的是（　　）

阅读下面的一段话，判断正误。

    Hello! I'm Lily. I'm nine years old. I'm from the USA. Look! This is my family. My father is a teacher. My mother is a teacher, too. The girl is my sister, Lucy. She's seven years old. She and I are pupils. I like monkeys and she likes pandas.

画线的词语运用不当的一项是（  ）。