书面表达
2013年1月上旬，全国中东部地区17省市持续雾霾，陷入大范围的重度和严重污染。造成这一现象的主要原因是工厂排出的废气和汽车尾气等。现请你根据以下三个方面的提示，以“Let’s Do Something to Save Our Environment”为题写一篇80-100字的短文。
1.重要性：只有一个地球
2.主要问题：污染、疾病、灾难
3.措施：停止污染、保护大自然
参考词汇：disaster n.灾难 protect V. 保护
注意：
(1)文中不能出现真实姓名、校名;
(2)文章标题已给出，但不计入总词数;
(3)可适当发挥，以使行文连贯。
Let’s Do Something to Save Our Environmen
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We all live in the earth. The earth is our home. We have only one earth. We must take care of it.It gives us the best environment. If we harm it, it will be angry. And then we will have a terrible end. There are three problems in our earth, they are pollution, disaster and illness.
It’s our duty to protect our environment. So we must plant more trees, protect the flowers and the trees, save energy, reduce the pollution. We should ask our government to control the pollution from the 
factories.
Protecting the nature is very important. It’s our duty to keep our environment clean and tidy. If everyone makes a contribution to protect the environment, the earth will become much more beautiful.