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There are some easy things you can do to protect(保护) the environment(环境).
· Plant flowers, grass or trees.
· Whenever you visit a park or beach, take away what you bring there—keep rubbish in a bag until you can put it in a bin.
· Turn off the lights, TVs when you leave(离开) the room.
· Turn off the tap(水笼头) when you brush your teeth. You can save(节约) someWater.
· Keep the doors and windows closed in winter to keep warm.
· Give your old books and magazines to a library.
· Give your old clothes to poor children.
· Don’t pour dirty water into the rivers or the lakes nearby(附近).
If everyone makes a contribution(贡献) to protecting the environment, the world will become much more beautiful.
1．The articlel(文章) is _______. ( )| A．a sign | B．a story | C．a proposal |
| A．to throw rubbish into a bin | B．to pour dirty water into the river | C．to save water by turning off TVS |
| A．use a glass cup | B．turn off the lights | C．give our old books and magazines to a library |
| A．Turn off the lights when you leave the room. | B．Close the doors in winter. | C．Pour dirty water into the lake |
| A．save money | B．save water | C．protect the environment |
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
