Climate change may be a big problem, but there are many little things we can do to _________.
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Planting trees is fun and a great way toreduce ____________.
For example, four people can ride together in one car___________driving four cars to work.
By _________lights, the television, and the computer when you are through with them, you can help a lot.
中国城镇化道路选择的观点有( )。
A. 大中城市论
B. 均衡发展论
C. 多元模式论
D. 小城镇重点论
E. 特大城市论
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