搜索
Look, this is my room. It’s not big. But it’s clean. There is a desk in my room.You can see many books on the desk. There is a vase on the desk, too. And some nice flowers are in the vase. Behind the desk, there is a chair. Now I am sitting on the chair. Beside the desk, there is a bed. It’s clean. I like my room.
1. I have got a big room.
2. Here are some flowers in my room.
3. Here aren’t any books on the desk.
4. The desk is behind the chair.
5. There is a clean bed beside the desk.
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
