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●骑车出行，减少污染
●垃圾分类， ......
●树木栽种， ......
●使用新能源， ......
你的观点
……（自拟一点或两点）
Millions of people turn off their lights for Earth Hour at 20:30 in their local times on the last Saturday of March.
Step1
Read P107 and find out ways to live a green life.
Task One
Before writing 语言积累
We can reduce air pollution by riding bicycles.
We can save water by taking shorter showers.
We can save energy by turning off the lights when we leave a room.
We can protect the environment by recycling waste.
Task One
Task One
Before writing 语言积累
Task One
We can save water by taking shorter showers.
We can take shorter showers to save water.
In order to save water, we can take shorter showers.
Tip One:
几种句型交替使用，以免重复和呆板。
2.old clothes and shoes
Read P108-P109 and find out how people in Switzerland protect the environment.
Step 2
Before writing 语言积累
Task One
Things like glass, plastic and paper are separated