搜索
Every year there are endless talks and suggestions on how to protect the environment. As for students, what should we do?
Plant Trees
The most important method to protect the environment is to plant trees. Trees may take longer to grow, but they serve the next generation(一代).
Save water
Water is life. What we should do is to save water.
Limit Car Use
Reduce Food Waste
Research shows that food that goes to waste in the world every year, is enough to feed almost a billion hungry people.
We depend on the environment for living, and the environment depends on us for living as well. As long as we keep on doing the simple things, we can protect the environment better.
| A．Reduce the time we take a bath. |
| B．Turn off computers and lights which are not in use. |
| C．Luckily, there are measures we can take to reduce food waste. |
| D．Here are four amazing ways about protecting the environment. |
| E．Trees provide shade (阴凉处) and reduce the need for air conditioner. |
| F．We can choose biking, walking or public transport instead of a personal car. |
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
