搜索
Jim: I’m looking at a postcard.
Peter: Wow!
Jim:
Peter: Is your pen friend a boy?
Jim:
Peter: Can he speak French?
Jim:
Peter: What’s his hobby?
Jim:
Peter: I like reading too. Can I be his pen friend?
Jim: Sure. I’ll tll him.
Peter: Thank you.
| A．Yes, he is. |
| B．He likes swimming and reading. |
| C．It’s a picture of the London Eye. |
| D．Yes, and he can speak English. |
| E．No! It’s from my pen friend. |
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
