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Zhang Peng: Hi, Amy! How was your weekend?
Amy:
Zhang Peng: What did you do?
Amy: I went to the bookstore.
Zhang Peng: Oh, I read it last night.
Amy:
Zhang Peng: Yes, it talked about the space travel.
Amy: Yes, I stayed at home and cleaned the room.
Zhang Peng:
| A．Did you do anything else? |
| B．You’re helpful! |
| C．It was good. |
| D．Was it interesting? |
| E．I bought(买) a new magazine about the space. |
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
