阅读表达（共5小题）

I have a happy family. （4）Look! Here is a photo of my family. The boy on the bed is me. I am an English boy. My name is Peter. I am eleven years old. This is my sister. Her name is Kate. She is nine years old now. Kate and I are students now. We are in the same school. Of course, we aren’t in the same class. These are my father and mother. My father is a teacher. How old is my father? He is forty. My mother is very nice. （5）She cooks for us every day. We all love her so much. We are a happy family.

小题1:Where is Peter in the photo?

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小题2:Are Peter and Kate in the same class?

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小题3:How old is Kate’s father?

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将文中划线句子翻译成汉语。

小题4:___________________________________________

小题5:___________________________________________

额外牙的发生率为（）

A.小于1％

B.1％～3％之间

C.大于3％

D.大于5％

E.大于10％