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Welcome to my school. There are 40 classrooms in my school. Look! This is a tall building(建筑物). In this building, the gym, the library and the art room are on the second floor. There are many books in the library. We can read books in it. My classroom is on the first floor. It’s big and clean. I like it very much.
1．How many classrooms are there in the school? ( )| A．Forty. | B．Fifty. | C．Four. |
| A．It is on the first floor. | B．It is on the second floor. | C．It is on the third floor. |
| A．It is clean but small. | B．It is big and clean. | C．It is big but dirty. |
| A．They can read books. | B．They can draw pictures. | C．They can play computer. |
| A．Yes, he does. | B．No, he doesn’t. | C．We don’t know. |
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
