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Hello! I'm Zoom. This is my new classroom. It's very big. In the classroom you can see a big blackboard, 2 doors, 6 windows, 10 desks, 20 chairs, 4 pictures and 8 lights. The wall is white. The floor is green. My classroom is nice and clean. I like my classroom very much.
(1)The classroom is very big.
(2)The blackboard is small.
(3)There are 6 windows in the classroom.
(4)The floor is yellow.
(5)The classroom is nice and clean.
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
