根据短文内容完成句子。

     Hello, everyone! I'm new here. My name is Sonia. I'm eleven years old. There are seven people

in my family: my grandfather, my grandmother, my father, my mother, my sister, my brother and I. I

live in Beijing now. I'm a student in No. I Middle School. I have a student ID card.  And its number

is 9988. My telephone number is 3457890. You can call me.

1.  Sonia _____ _____ years old.

2.  In her family, there are _____ people.

3.  Sonia's family is _____ Beijing now.

4.  Sonia is a student in_____ _____ _____ _____.

5.  Her _____ _____  is 3457890.

走进一片茂密的森林，你就会惊讶地发出林子中有上千种植物，数百种鸟类、昆虫以及各种灵长类动物．植物间的爬行类、两栖动物以及它们体内和体外的难以计数的寄生虫，在这里达成平衡，相互关联着．这体现了（　　）

A．基因的多样性

B．生物种类的多样性

C．生态系统的多样性

D．生物圈的多样性