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Hello! My family name(姓) is Li. My name is Dan Li. I am a tall boy. I am nine years old. I have a round face and two big eyes. I have a happy family. My father is 35 years old. He’s tall and thin. He is a doctor. He can run very fast. His name is Mike Li. Jane Li is my mother. She’s tall and thin, too. She is a good teacher. She can draw a tiger very well.
1．My family name is Li. I am a short boy.2．I am ten years old.
3．My face is round and my eyes are big.
4．My father is a good teacher.
5．Jane Li can draw a tiger very well.
同类型试题
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
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
