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Sarah: Hi, Wu Yifan. Today is sunny. Let's go on a picnic.
Wu Yifan: Sorry, I can't.
Sarah: What are you going to do there?
Wu Yifan: My grandpa is ill.
Sarah: Oh, I'm sorry to hear that.
Wu Yifan: On foot. It's not far from my home.
Sarah:
Wu Yifan: Robin. He has BDS.
Sarah: That sounds good.
Wu Yifan: OK. Thanks!
| A．How are you going there? |
| B．I'm going to see him. |
| C．Who are you going with? |
| D．I'm going to the Renmin Hospital. |
| E．Pay attention to the traffic lights! |
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
