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B: They are on Shelf D.
A: No, they aren’t.
B: Oh, I’ m sorry.
A: OK, here they are. I want to borrow this one.
B:
A: Of course. Here you are.
B: Please bring it back in three weeks.
A: Yes, I will.
| A．And you should keep the book clean. |
| B．The books on Shelf D are about animals. |
| C．Can I have your library card, please? |
| D．Excuse me. Where are the books about PE? |
| E．They are in the wrong place. |
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
