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Look! This is a picture of our new classroom. There are some desks and chairs in it. They are yellow. There is a fish bowl near the window. Some red fish are in the bowl. There are some beautiful flowers on the teacher’s desk. The teacher’s desk is near the door. It’s brown. The blackboard is on the white wall. It’s big and nice.
1．This is a picture of _________. ( )A． | B． |
A． | B． |
A． | B． |
| A．teacher’s desk | B．window |
| A．blackboard | B．book |
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
