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Our school is very big and clean. The teaching building has five floors. On the first floor, there are six classrooms for Grade One. There is a library on the second floor. We can read or borrow books here. The teachers’ offices are on the third floor. Our art room is on the fourth floor. We can draw pictures there. On the fifth floor, there are two music rooms. There is one piano (钢琴) in each (每个) room.
1．The teaching building has six floors.2．The classrooms are on the third floor.
3．We can borrow books on the second floor.
4．We can draw pictures on the fourth floor.
5．There is a piano in each music room.
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
