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Hello, I’m Fangfang. My father is a teacher. He’s smart. My mother is a doctor. She is very kind. Lanlan is my sister. She is 6 years old. Two years ago, she was short and she is tall now. She is very lovely. Mingming is my brother. He is active. Sometimes he is naughty. He is a pupil. I am a pupil, too. I was shorter than Mingming one year ago. Now I am taller than him. I love him. I love them. I love my family.
1．Fangfang’s father is a doctor.2．Lanlan was 4 years old two years ago.
3．Lanlan is short now.
4．Sometimes Mingming is naughty.
5．Now Mingming is taller than Fangfang.
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
