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例 :－ Excuse me, is there a train to Changsha at 7:25 am?
－Yes, there is.
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2. ___________________________________
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| starting | Destination | Departure | Arrival |
| Wuhan | Changsha | 7：25 am | 9:00 am |
| Wuhan | Shanghai | 9:00 pm | 3:00 am |
| Wuhan | Beijing | 8:00 am | 1:20 pm |
| Wuhan | Nanjing | 5:30 pm | 9:30 pm |
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
