搜索
Amy: Really?
Chen Jie: Sure. Here you are.
Amy: Wow! It is a rabbit. How nice!
Chen Jie: Thank you! My schoolbag is white.
Amy: It’s pink. It is heavy.
Chen Jie:
Amy: Many books.
Chen Jie:
Amy: Twenty!
| A．What’s in it? |
| B．What colour is your schoolbag? |
| C．May I see it? |
| D．How many books do you have? |
| E．I have a new schoolbag. |
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
