搜索
Chen Jie: Excuse me. 1．
Miss White: What colour is it?
Chen Jie: 2．
Miss White: OK. What’s in your pencil box?
Chen Jie: 3．
Miss White: Here it is.
Chen Jie: 4．
Miss White: 5．
| A．It’s white and pink. It’s a rabbit. |
| B．Thank you so much! |
| C．I lost my pencil box. |
| D．A big eraser, a pen, a ruler and three pencils. |
| E．You’re welcome. |
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
