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Oliver: Hello, Zhang Peng.
Zhang Peng: Hi, Oliver.
Oliver:
Zhang Peng: At 7:30 a.m.
Oliver: What do you do after breakfast?
Zhang Peng:
Oliver:
Zhang Peng: No, I don’t. I often play ping- pong.
Oliver:
Zhang Peng: Great!
| A．Do you often play football? |
| B．When do you eat breakfast? |
| C．Let’s play ping-pong together. |
| D．I often play sports. |
| E．Do you often play ping-pong? |
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
