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B: Hey, Eric.
A: It’s good. I usually go there with my classmates.
B:
A: Every Wednesday and Friday.
B: Are there any rules?
A: Yes, there are many rules.
B: Really?
A: For example (例如), we can’t run in it and we can’t talk in it.
B:
A: No, we can’t.
B: I see.
| A．What are some of the rules? |
| B．We must keep the library clean. |
| C．Can you take food to the library? |
| D．When do you usually go there? |
| E．What do you think of the new library? |
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
