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We have a big and nice classroom. There is a blackboard in it. There are many desks and chairs in it, too. The wall is white. The floor is brown. A computer is on the teacher’s desk. I have many classmates (同学). Chen Jie is my good friend. She is tall and thin. She has two big eyes. She has blue glasses and her shoes are white.
1．There is a ____ in the classroom. ( )| A．picture | B．fan | C．blackboard |
| A．white | B．brown | C．blue |
| A．book | B．computer | C．TV |
| A．short and thin | B．tall and thin | C．quiet |
| A．red | B．yellow | C．white |
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
