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John: Mum, what time is it?
Mum:
John: Is it cold outside, Mum?
Mum:
John: Great! I want to play football. Can I wear my new socks?
Mum:
John: What’s for lunch?
Mum:
John: Thank you, Mum. Oh,
Mum: You can play football this afternoon.
John:
| A．No, it’s warm today. |
| B．It’s 11:35. |
| C．Yes, you can. |
| D．I love them. |
| E．Beef and rice. |
| F．OK! |
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
