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Su Hai: Good idea, let’s go.
Su Yang: Wow, the park is beautiful! Look! Some ducks are swimming on the lake.
Su Hai: I like the trees near the lake.
Yang Ling: So many beautiful flowers. They are red, yellow, orange and blue. Can you draw them?
Su Hai & Su Yang: Sure, it’s easy.
1．Yang Ling, Su Hai and Su Yang are in the ______. ( )
| A．park | B．zoo | C．garden |
| A．flowers | B．ducks | C．trees |
| A．trees | B．flowers | C．ducks |
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
