A. What colour is the floor? B. This is my new friend. C. Good morning. D. Let’s clean the classroom. E. Let's go and see the new classroom. |
1.早上碰到老师,应该说:
2.你想和同学一起去看新教室,应该说:
3.你想知道地板是什么颜色,应该问:
4.你想和同学一起打扫教室,应该说:
5.把你的新朋友介绍给别人,应该说:
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