Hello, my name is Li Dan. I am twelve years old. I am a student. There are four people in my family. They are my grandfather, my mother, my father and me. My grandfather is sixty-eight years old. He likes to read newspapers. My mother is a teacher. She likes to read books. My father works in a restaurant. He likes to cook. He often cooks dinner for my family. I often fly kites with my father and mother in the park. We are a happy family.
1.There are five people in Li Dan’s family.2.Li Dan’s father is sixty-eight years old.
3.Li Dan’s mother work at a school.
4.Li Dan’s father works in a restaurant.
5.Li Dan often flies kites with her friends in the park.
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同类型试题
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)