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Mum: Amy! Hurry up!
Amy:
Mum: It’s 7 o’ clock.
Amy:
Mum: Yes, it is.
Amy:
Mum: Yes, you can. Look! I bought(买) a new dress for you.
Amy: Really?
Mum: It’s 80 yuan.
Amy: Thanks, Mum. I like it.
| A．How much is it? |
| B．What time is it? |
| C．Can I put on my dress? |
| D．It’s time for breakfast. |
| E．Is it sunny 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
