1. 今天是星期五,你可以说:( )
A. It’s Friday.
B. Let’s go home.
2. 老师让我们打扫教室,她可以说:( )
A. Let’s cleaning our classroom.
B. Let’s clean our classroom.
3. 你看见杨明站在椅子上,你可以说:( )
A. Yang Ming is standing on a chair.
B. Yang Ming is stand on a chair.
4. 你想说丽丽在打扫桌子:( )
A. Lily is cleaning the desks.
B. Lily is cleaning the chairs.
5. 你想说丽丽在打扫椅子:( )
A. Lily is cleaning the desks.
B. Lily is cleaning the chairs.
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