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A: Welcome to my room.
B: Thank you. Your room is big and clean (干净的).
A: Look! I've got a new bag.
B: What's in the desk?
A: My pencils and pencil-box.
B:
A: Yes, I have. It's under the bag. It's about animals.
B:
A: Yes, I do.
B: Where is it?
A: Look!
B: Ha ha... It's so cute.
| A．Have you got a new book? |
| B．Do you like dogs? |
| C．It's on the desk. |
| D．It's under the desk. |
| E．I've got a pet dog. |
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
