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A: Welcome to our city. It's nice.
B: Is there a post office?
A: Yes. You can send letters there.
B: Is there a restaurant?
A: Yes. It's big. There are many people there.
B: What are they?
A: They are tall trees. They are in a park. It's a big and nice park. It's near Lemon Road.
B: Is this a cinema?
A: No, it's a library. It's in Star Primary School.
B: Oh, where can I buy the food?
A: You can go to the supermarket.
B: Oh, thank you so much.
A: It's my pleasure.
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
