Recycling is a good way to protect the environment. Ben and Kitty are very good at recycling. They always have some good ideas to make new things from old things. They enjoy doing such things.
For example, they can use the old cans to make toy cars for their little cousins. They can use the waste newspaper to make different kinds of paper plants to decorate their rooms. One day, they got an old broken teapot. They turned it into a flowerpot. It looks very beautiful.
Ben and Kitty think that recycling can not only protect the environment, but also save some money. They feel happy when they get some good recycling ideas.
1.Recycling is a good way to protect the environment. (2.Ben and Kitty are very good at reusing things. (
3.They enjoy saving money. (
4.They use old cans to make toy cars for their cousins. (
5.Ben and Kitty live a poor life. (
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