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This is the Bailu Park. There are many trees and flowers in it .We can see lots of interesting things. Look at the men. One is doing taijiquan. Another( 另一个人 ) is looking the him. Look at the young ( 年轻的) men. They are singing songs. Oh, what are the children doing? They are running. They are very happy.
[[QOrDeR]]The people are . ( )| A．in the park | B．in the supermarket | C．in the school |
| A．birds | B．trees and flowers | C．dogs |
| A．playing chess | B．listening to music | C．doing taijiquan |
| A．running | B．playing football | C．drinking milk |
| A．dancing | B．singing | C．riding a bike |
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
