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（ ）(1)--- Look，there are some geese in the pond.
--- And there are some hens and chicks over there. How lovely!
（ ）(2)--- Can duckings swim, do you know?
--- Of course. But they can’t swim well.
（ ）(3)--- The mother cat is sleeping. How about her kittens?
--- They are playing together near her.
（ ）(4)--- This is a circus. The animals are performing.
--- Great! The animals can do a lot of things.
（ ）(5)--- Look at this picture. Can the monkey ride a bike?
--- I’m not sure，but the monkey can ride a horse well.
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
