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Amy：Excuse me．Can I ask you some questions?
Postman：Sure．
Amy：What do you do?
Postman：I am a postman．
Amy：When do you go to work?
Postman：At 5：30 in the morning．
Amy：Wow! So early! Then when do you get up?
Postman：Every day I get up at 5：00 in the morning．
Amy：Wow! When do you eat breakfast?
Postman：I eat breakfast at 5：（10）
Amy：When do you go home?
Postman：I usually go home at 6：00 in the afternoon．
Amy：Do you play sports?
Postman：Certainly!
Amy：When?
Postman：I often play football on the weekend．
Amy：Thank you．
Postman：You're welcome．
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
