Tim: Hi, Mum. I have a new classroom. It is big.
Mum: Really? What's in the classroom?
Tim: One blackboard, one computer...
Mum: Where is the blackboard?
Tim: It's on the wall.
Mum: Where is the computer?
Tim: It's on the teacher's desk. Look! My picture is near the window.
Mum: Good.
1.Tim has a new desk.
2.The classroom is big.
3.The blackboard is on the wall.
4.The computer is on the chair.
5.Tim's picture is near the window.
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