搜索
Lily: Hello!
Kim: Hello! This is Kim.
Lily: I will travel to Xi’an with my mother.
Kim: Yes, I can. When will we go there?
Lily:
Kim: Will we go to Xi’an by plane?
Lily: Okay! Xi’an is an old and beautiful city.
Kim:
Lily: Bye! Kim: Bye!
| A．It’s far from Changli. |
| B．This is Lily. |
| C．Can you come with us? |
| D．I think it will be a good trip. |
| E．In the morning on May 2. |
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
