( )1.上课了,值日班长说:
A. Stand up. B. Sit down.
( )2. 当你迟到了,你应该对老师说:
A. Yes , Mr Green. B. I'm sorry, Miss Li.
( )3、你去老师办公室,老师对你说:
A. Come in, please. B. I'm sorry, Miss Li.
( )4、你想知道这是什么,你会问:
A. It's a rubber. B. What's this ?
( )5、爸爸叫你不要打开门,他会对你说:
A. Open the door. B. Don't open the door.
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