We see many animals, like rabbits, bees, dogs, birds, sheep…，but do you know 1these animals say things? First，let's see a rabbit. When a rabbit sees 2dangerous(危险的)，it runs away at once. When it runs, its tail moves up and 3.When others see this, they run away,4.

    Many other animals use this kind of language(语言). When a bee has found some food, it goes back to 5home. It cannot tell6bees where the food is by speaking to them，but it does a little dance in the air. This may tell other bees 7the food is.

    Some animals say things by8sounds like a man does. For example，a dog barks when a stranger(陌生人)comes near. Some birds can make several 9sounds, each with its own meaning. In a word, every animal10its own language.

    Every year some people are killed or injured in road accidents.There are rules to 1the roads safe, but 2people do not always obey(遵守)the rules.They are 3.If everybody obeys the rules,the roads will be 4.How can we make the roads safe?Remember this rule:traffic must keep to the right.Cars,buses and bikes must 5keep to the right side of the road.Before 6the road,stop and look 7.

    Then,if you are sure that 8is clear,it is safe to cross the road.If you see small children, very old people,or blind people waiting to cross the road,it is 9to help them cross the road safely.

    We must teach children to cross the road safely.We must tell them 10on the street.We must always give them a good example.

    The Earth moves round the Sun, and the Moon moves round the Earth. When the part of the Earth turns to the Sun, it is day. When the part of the Earth 1 away from the Sun, it is night. The Sun is much 2 than the Moon. But sometimes the Moon 3 bigger than the Sun, because it's much 4 to the 5. The Sun is very bright. It 6 very strong light. The Moon looks quite bright 7. But it 8 give any light at all. The light from the Moon comes 9 the Sun. The Moon looks much bigger and brighter than the stars. But in fact the stars are much bigger and brighter than the Moon. They look 10 than the Moon because they're much farther away from us.

    As we know, life today has many problems. One of the biggest is 1, such as water pollution, air pollution, 2 pollution and so on. Water pollution makes our rivers and lakes 3. It kills fish and pollutes our drinking water. Air pollution is the most serious kind of pollution. 4 bad for living things in the world. Noise pollution 5 us talk louder and become angry 6.

    The Earth is 7 home and we must save it. We can't 8 rubbish here and there. We should go to work and school 9 bus or with our friends in the same car. Everybody 10 save the Earth.

    There are many kinds of pollution around us, 1 air pollution, soil pollution, noise pollution and light pollution. They are bad 2 our health in many ways.

    Burning gas, oil and coal creates air pollution. It can cause some eye and breathing problems.

    With the 3 of pollution and the development of industry, litter is everywhere. It makes our environment dirty. People put lots of rubbish in the land. Farmers use too many 4 in the fields. They destroy the soil.

So soil pollution has become serious.

    Noise pollution can make people 5. For example, people may lose their hearing if they have worked in a 6 place for a long time. Too much noise can cause high blood pressure 7.

    Having worked for a long time in strong, changeable light 8 cause some kinds of illnesses. It makes people feel 9 and is especially bad for the eyes.

    With 10 pollution, our planet will become greener and our health will be better. Let's be greener people.

    Saving the environment is actually quite simple, when you come to think about it. It does not have to be a problem. If you and everyone follow these tips, you are helping save the environment easily.

    Switch off the lights when you leave the room. By now you have probably wasted thousands of watts (瓦特) lightening your room 1 you weren't there. If you work on a home office, this habit is not only bad for the environment, but also for your pocket.

    Turn off the computer when possible. If you know that you will be 2 for four hours or more, turning it off could lead to large savings over the long run.

    Print only when necessary. Sure, reading on paper might be more comfortable, but you should avoid printing those two-line e-mails every time. Read it on the screen and print only necessary documents. Remember also to use 3 sides of the sheet.

    Use fluorescent lamps (荧光灯). The fluorescent lamps may 4 more in the stores, but within the time you use one, you should have already recovered the investment. A normal incandescent light bulb (白炽灯泡) lasts 750 hours but a fluorescent bulb will give off the same amount of light yet last for 7,500 to 10, 000 hours with 1/3 of the wattage.

    Use low-flush (冲洗) toilets. In your household, 40% of the pure water is flushed down the toilet. You can 5 this easy way at home; use small plastic bottles, filled with water or stones to displace (置换) the amount of water in toilets. This will make it a "low-flush toilet", or you can use a displacement bag in your tank, which might reduce 1-2 gallons per flush.