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Mike: OK, 2．?
Mum: It’s 7:00.
Mike: Wow! What a big breakfast！Can I have some soup?
Mum: 3．. Do you have a PE class today?
Mike: 4．.
Mum: Great! Oh, it’s 7:30 now.
Mike: 5．. Bye, mum.
Mum: Bye!
| A．Yes, I do. |
| B．What time is it? |
| C．It’s time to go to school. |
| D．Yes, you can. |
| E．Hurry up. |
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
