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Tom: Good morning, mum. What time is it?
Mum:
Tom: Yes, great!
Mum: It is windy and cold in the morning.
Tom:
Mum: Sure, here you are.
Tom:
What will we do in the park?
Mum:
Tom: Let’s go!
| A．May I put on my new sweater? |
| B．What’s the weather like today? |
| C．We can fly a kite together. |
| D．Thank you, mum. |
| E．It is 8 o’clock. |
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
