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Linda: You can find it in the library.
Jack: OK. Let's go.
Librarian: Can I help you?
Jack:
Librarian: They're on Shelf E.
Jack:
Librarian: Oh, sorry.
Jack: I think this book is good.
Linda: And there is also a CD in it.
Jack:
Linda: That's a good idea.
| A．They're in the wrong place. |
| B．Let's read it here. |
| C．Where can I find it? |
| D．But I can't find them. |
| E．Where are the books about animals? |
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
