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Hello, I'm Lily. I'm twelve years old. I'm a girl. I'm from Germany. I'm a primary school student. I'm in Class One, Grade Five. There are four people in my home. My mother is a teacher in a school. My father is a manager in a big company. My brother is a reporter at CCTV. We love our father and mother, and they love us.
1．Lily is eleven years old.2．She is in Class One, Grade Five.
3．She loves her father and mother.
4．Her brother is a doctor.
5．There are three people in her home.
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
