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Binbin: Hi, Mike. I’m going to the Xinhua bookstore.
Mike:
Binbin: I’m going to buy a new word book. How can I get there?
Mike:
Binbin: Oh, thank you very much. Bye.
Mike: Hey.
Binbin: Oh, right.
| A．What are you going to buy? |
| B．Turn right at the crossing. |
| C．I must pay attention to the traffic lights. |
| D．Don’t go at the red light! |
| E．Where are you going? |
| F．When are you going? |
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
