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Look! This is Lingling’s drawing. There is a big tree in the picture. There are two balls under the tree. There is a small lake next to the tree. In the lake, there is a duck. There are three birds above the tree. There is a table behind the tree. On the table there are some apples and a cup of tea. There is a chair next to the table. A boy is sitting on the chair.
1．There are two big trees in the picture.2．There is a duck in the lake.
3．There aren’t any balls in the picture.
4．There is only one bird in the picture.
5．There is a chair next to the table.
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
