下列叙述错误的是（）

生物圈是地球上最大的生态系统，下列有关叙述正确的是（　　）

“美洲的贵金属来到西班牙就像雨点倾注于屋顶，结果全流走了。”该观点是指西班牙掠夺的大量财富（    ）

读短文，根据文章内容判断句子正误。

    My school is very beautiful. It is in Dianjun District, Yichang City, Hubei Province. Do you know it? It is Dainjun Primary School. I like my school very much.

    There is a big playground in my school. We have P.E. class on the playground and we often play sports on it, too. Our teaching building has five floors. My classroom is on the fifth floor. It is big and clean. The computer rooms are on the third floor. There is a library on the second floor. There are many books in the library. I often read books here. There are some music rooms and art rooms in the teaching building, too.

    The teachers in my school are very kind. The students are very polite and smart. I am happy in my school.