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Mike: How are you, Sarah? You look tired.
Sarah: Yes, I’m tired. I just came back from Shanghai World Expo（世博）.
Mike: Really? _________________?
Sarah: I went there on June 1st.
Mike: How did you get there?
Sarah: _________________.
Mike: Cool! Did you go there with your parents?
Sarah: ________________. I went there with my uncle.
Mike: ______________?
Sarah: I saw many buildings and ate good food.
Mike: You must had a good time there.
Sarah: Yes. ________________?
Mike: Well, I stayed at home and learned English.
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
