摘要：
circumstanceoccurinspiteofsocialprotects?Foronething,(thepopulationoftheworldisinc reasing... circumstance occur in spite of social protects? For one thing ,(the
population of the world is increasing so rapidly that the world has been
so crowded. ).For another,(the overuse of natural resources has
influenced the balance of natural ecology ). What is more , since ( the
industrial revolution ) ,it is natural that (a great number of factories
have been springing up like mushrooms .The smoke and harmful chemicals
released from factories also pollute the environment ).
??To solve
the problem is not easy at all ,but is worthying .We should do something
such as (planting more trees , equipping cars with pollution-control
devices and learning to recycling natural resources )to improve the
present situation ,and i do believe everything will be better in the
future .
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