搜索
I'm Wu Yifan. I'm 11 years old. I'm a good student at school. I can speak English well, sing English songs, dance and play basketball. I'm also a good child at home. I can help my mother cook the meals and wash the clothes. My sister is eight years old. She can play the pipa and draw cartoons. But she can't cook. My brother can do some kung fu. But he can't play the piano.
1．Wu Yifan can sing and dance.2．Wu Yifan's sister can cook the meals.
3．Wu Yifan's brother can play the piano.
4．Wu Yifan is ten years old.
5．Wu Yifan's sister is eight years old.
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
