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There are some easy things you can do to protect the environment.(环境)
Plant flowers, grass or trees. Whenever you visit a park or beach, take away what you bring there and keep rubbish in a bag until you can put it in a bin. Turn off the lights , TVs when you leave your room. Turn off the tap when you brush your teeth. You can save some water. 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.
If everyone makes a contribution(贡献) to protect the environment, the world will become much more beautiful.
1．The article(文章) is _______.( )| A．a sign | B．a story | C．a proposal (提议) |
| 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．keep the windows closed |
| 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
