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Mike: Hello, Sam.
Sam: I’m going to the library.
Mike:
Sam: Some books about animals. Where are you going?
Mike:
Sam:
Mike: At about four o’clock.
Sam: That’s good. I’ll come back at about 3:30.
Mike: Sure. See you.
Sam: See you.
| A．What time will you be home? |
| B．I’m going to the playground. |
| C．Where are you going? |
| D．Would you like to play football with me at four? |
| E．What books are you going to borrow? |
| F．What time is it now? |
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
