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| A. What time is it? B. It’s 7:30. C. Just a minute. D. Hurry up! E. It’s time to get up. |
John: 2．
Mum: It’s 7:30 a.m. Breakfast is ready.
John: OK!
Mum: 3． It’s time to go to school.
John: What time is it?
Mum: 4．
John: Oh dear! I’ll be late for school!
Mum: 5．Your breakfast.
John: Thank you.
Mum: 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
