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There are five floors in our classroom building. It’s the tallest building of our school. There are eight classrooms on every floor. On the first floor there is a library. On the second floor there are two computer rooms for students. The science labs are on the third floor. The language lab is on the sixth floor. We often have English classes in the language lab.
1．There are five classrooms in our classroom building.2．The library is on the first floor.
3．There are three computer rooms for students in the school.
4．The science labs and the language lab are on the same floor.
5．We often have English classes in the language lab.
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
