搜索
Tim: Hello, Sam!
Sam: Yes, I'd love to.
Tim: Look at this book!
Sam:
Tim: It's about animals.
Sam:
Tim: My mother.
Sam: The book is very interesting.
Tim: Yes, I like animals very much.
Sam: I have got some picture books about animals.
Tim: Wow! That's great! Thank you very much.
| A．I will give them to you. |
| B．What's it about? |
| C．Do you want to see my books? |
| D．Do you like animals? |
| E．Who bought it for you? |
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
