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Now, are you changing your living habits to have a low carbon life? Here are some strategies (策略) for you.
Strategy One
●Each week, choose one day when you don’t eat meat. Meat takes up lots of energy because it takes a long time to produce. And animals must be fed on farmed plants, which could be used to feed many more people.
Strategy Two
●Only buy the amount of food you need. When you buy food, go local rather than imported (進口的), and get fresh vegetables instead of frozen.
Strategy Three
●Make sure you keep the things such as paper and plastic bottles separate (獨立) so that they can be recycled. There are places where you can recycle batteries. Make sure you find them.
Strategy Four
●Take showers rather than baths and reduce your shower time by two minutes. This will save water and give you an extra two minutes in bed.
Strategy Five
●Buses and trains are better than cars, but walking or cycling is better still. It’s also better for your health and cheaper. It can even be quicker than sitting in a car at rush hours in a busy city. For long distances, coaches are better than trains.
Strategy Six
●Try to buy good, long-lasting products even though they may cost a little more. A small screen TV is better than a big screen. Keep your electronic products one year longer than you would usually have.
【小題1】What does the underline phrase “low carbon” in paragraph one mean?

Napoga Gurigo，a 12-year-old girl，lives in a village in Ghana. It is   1  for her family to get clean drinking water. The nearest place to get water is a muddy （混濁的） water hole half a kilometer away from her   2 . Animals and villagers use it alike. Each morning, Napoga leaves home at half past five to collect water for her family. Sometimes it   3  a few hours to get enough water. Napoga has no time to go to school for learning. In the neighboring areas, many boys and girls   4  Napoga. They can't keep strong and   5  just because they have not enough drinking water.
In fact, 70% of Earth's surface is water. But most of   6  is sea water. We can't use salty water in our daily life. Fresh water is what we __7__ drink, take showers and cook food. And fresh water covers only 1 percent of Earth's surface. In some areas people try to make deep wells （水井） to get water from   8 . But there still   9  enough for farming. Scientists say that 10  30 years, more people in the world will face all kinds of water problems than now. So we must do something to take care of our water resources (資源).

Napoga is a 12-year-old girl in Ghana(加納)，Africa. It is hard for her family to get clean water. Every morning，she leaves home at half past five to get clean water for her family in a village far away. It takes her six hours to get enough clean water for daily cooking and drinking. She has no time to go to school or to play with her friends. Millions of people in the world are like Napoga. They can't get enough clean water to keep healthy.
Earth Day is April 22. But on all other days，we must also remember it. The water we use is the most important natural resource(自然資源) on the earth.
Water covers 70% of the earth's surface. But most of that is sea water. We can't use it for very many things. Fresh water covers only 1% of the earth's surface.
You probably feel lucky that your life isn't as hard as Napoga's. But that doesn't mean you don't have to worry about water. We all face serious water problems. One of them is water pollution. All kinds of things from cars，factories，farms and homes make our rivers，lakes，and oceans dirty. Polluted water is very bad for people to drink. And dirty water is bad for fish，too. Now, 34% of all kinds of fish are dying out.
How do cars and factories make our water dirty？First，they pollute the air. Then，when it rains，the rain water comes down and makes our drinking water dirty. Dirty rain，called acid rain(酸雨)，is also bad for plants，animals and buildings.
Scientists say that in 30 years，more than half of the people in the world won't have enough clean water. We have to learn how to save more water for ourselves and our children. Here is some advice for saving water：
●Turn off the water while you brush your teeth. You can save as much as 450 liters(升) each month.
●Leaky taps(漏水的龍頭) waste a lot of water. Fix them right away！
●You can easily cut your 10-minute showers in half----and you'll be just as clean.
●When you wash dishes，don't let the water run.
●Only wash clothes when you have a lot to wash. If your washing machine isn't full，you're  wasting water！
【小題1】On the earth，_______.