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My name is Tang Xin. This is my school. It is new and beautiful. There are two buildings in it. There is a big playground, a football field(足球场), a library and twenty-four classrooms in it. There is no swimming pool. Beside the playground there are twenty tall trees and ten short trees. There are seven toilets. There are eight teachers' rooms. I like my school.
1．There are ___________ buildings in Tang Xin's school. ( )| A．six | B．two | C．three |
A．football field  | B．teachers' room | C．swimming pool |
A．24  | B．42 | C．34 |
A．twenty  | B．ten | C．thirty |
| A．Playgrounds | B．toilets | C．teachers' rooms |
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
