Kitty and Alice are in the bookshop. The bookshop is very large. Kitty has a pink dress. The girl in red is Alice. In the bookshop, they can see many books, rubbers and so on. Alice wants two picture books and a rubber. The picture books are colourful. The rubber is white. Kitty wants four exercises books. They’re yellow.
1.Where are Kitty and Alice?2.What can they see in the bookshop?
3.What colour is Kitty’s dress?
4.What colour are the picture books?
5.Is the rubber white?
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