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B:
A: It’s 7:30. Hurry up!
B: Just a minute.
A: It’s cool.
B: OK. Mum! Where is my new dress?
A:
B: It’s pink. That is my favourite dress.
A: Is it on your bed?
B:
A: Look!
B: Yes, it is. Thank you, Mum.
A: You are welcome.
| A．No, it isn’t. |
| B．Is it your dress? |
| C．What time is it now? |
| D．What colour is it? |
| E．What’s the weather like today? |
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
