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A: Hi, Lily. Where did you go this Spring Festival?
B: I went to Xiamen.
A:
B: I went there with my friend, Liu Ying.
A: Did you go to Xiamen University?
B:
A: What was the weather like there?
B:
A: Did you try any sea food there?
B: Yes. And I even bought some for my family.
A:
B: It’s a beautiful seaside city and it’s worth traveling around.
| A．Yes, I did. |
| B．It was quite warm. |
| C．What do you think of Xiamen? |
| D．Oh, really? Whom did you go with? |
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
