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Tommy is a boy. He is short and thin. He is 10 this year. 
Sally is his sister. She is 11. They go to school together.
Tommy often gets up (起床) at 6:30 in the morning. He likes sunny days, He doesn’t like rainy days. 
Tommy loves his mum. When he leaves (离开) home, he always says “Goodbye!” to her.
2．Sally doesn’t go to school with her brother.
3．Sally’s brother gets up at 6:30 every morning.
4．Tommy will say "Goodbye!" to his mum when he leaves 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
