3．
Read and choose.
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bike turn off low-carbon
live save difficult
for print student
way
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With the development (发展) of society (社会), life
becomes more and more important. Some people think it is very to do. In fact (实际上),
we can do a lot of things .
First, as a , some of us can ride a to school, or walk to school every day. It can
energy and it is good our healthy (健康). Second, when we leave the classroom, remember to the lights to save electricity. And third, we
should our homework on both sides of the paper. It's
a good to save paper, and to save trees.
If everyone can a low-carbon life, the world will become a
better place.
