搜索
I'm Ella. My class is going to the Jinan Museum by bus.
The bus is coming. Everyone is so excited. Ella wants to be the first on the bus. “
One hour later, we arrived at there, “
It's very dark inside. I bumps into the teacher. The camera is broken. I am very sorry. “
There are many old things. They have a long history. We want to have a look. The teacher said, “Please be back before eleven o' clock.
Everyone stops to have lunch. The children are hungry. They speak loudly. “
| A．Don't worry. |
| B．Stand on line, please. |
| C．Don't be late. |
| D．Be quiet, please. |
| E．Please show your ticket. |
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
