Traffic and Protecting Environment
2015年11月，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。绿色低碳，保护环境，从我们身边小事做起。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词左右的短文。
Let’s Do Something to save Our Environment
We all live on 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 protecting the environment, the earth will become much more beautiful.
The Popular Science Knowledge and Science Technology
The Most Helpful Invention
There are a lot of inventions in the history. Some of them play an important role in people’s life and some have greatly changed the world.
In my opinion, I think the most important invention is the car. First, people used to travel by train or by plane. But now, they can go any place by car. Second, when holiday comes, they can visit their family and friends by car. Third, they can also g