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B: We went to my hometown. It’s in the countryside.
A:
B: OK. There are many vegetables and plants in the countryside.
A: Are there any tall buildings?
B:
A: There is a big new library, isn’t there?
B: Yes, there is one.
A: I saw your pictures. The big new library is great.
B: Yes, it’s cool.
A: I think they are very nice.
| A．How do you know that? |
| B．Where did you go last weekend? |
| C．I took many pictures there. |
| D．Tell me about your hometown, please. |
| E．Yes, there are some tall buildings. |
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
