Our resources less and less, while the bike is cheap, can exercise our bodies to make our body stronger, more and more serious environmental pollution, we should protect the environment, cycling is no pollution, bike Cycling can help protect our environment.

Now we have the resources, and less and less bicycles are a cheap, but also to temper our body so that our body is now more robust, and environmental pollution has become an increasingly serious problem, and we should protect the environment, there is no pollution is riding a bike, the bike riding c

Now our resources more and more are few, but the bicycle is cheap, also can exercise our body to cause our body to be stronger, now the environmental pollution also more and more is serious, we should protect the environment to ride the bicycle not to have the pollution, the bicycle rides the bicycl

Now we have fewer and fewer resources, while the bike was cheap, can also exercise our bodies make the body stronger, environmental pollution is getting worse now, we should protect the environment while riding a bicycle is not pollution, bicycle riding a bicycle can help protect our environment.

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