题目内容：

Changing the world does not only mean finding a medicine for cancer or finding the origin of human beings, but recycling a piece of paper as well.   1.  . What follows are three simple ways we can go green and change the world.

Recycle

Every day about 63 million newspapers go out, and 44 million of them are thrown away. By recycling the newspaper alone we could save half a million trees a week. New phones, iPods, or computers are created every day. 2.  . By taking them to the local stores that collect them, they can go to people who don’t have enough money to buy one.

Go vegetarian one day a week

According to the scientists at New York University, if the whole population skips one meal of chicken, the amount of carbon dioxide(二氧化碳) would be the same amount if more than half a million cars were taken off roads in the US.   3.  .

Refuse bottled water

Most people drink bottled water because they think that bottled water is healthier than tap water. However, 25% of the bottled water actually comes from tap water. Not only are you drinking the same water as the water in your house but you are paying more. 4.  . So it is necessary to use reusable water bottles instead of plastic water bottles.

Changing the world had to start from small things. 5.. However, every little helps a mickle(多量). Keep in mind what Margaret Mead once said, “Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it’s the only thing that ever has.”

A. So give up just one day of eating meat.

B. One of the most serious threats to our planet is plastic pollution.

C. Going green is a way that we can have a meaningful influence on the world.

D. Also plastic bottles will cause plastic pollution.

E. It may seem as if the small changes are not influencing the world.

F. But what happens to the old ones?

G. Actually there is little or no difference between bottled water and tap water.