Julie: Look! The elephants are eating grass. They are so big.

Susan: They are big and friendly to people.

Julie: There are giraffes over there.

Susan: What are they doing?

Julie: They are playing with the elephants.

Susan: Do you like giraffes?

Julie: Yes, I do. They are very cute.

Susan: Are the koalas there sleeping?

Julie: Yes, they are. They usually sleep during the day.

Susan: Is the lion eating there?

Julie: No, it isn't. It's relaxing. It relaxes for 20 hours every day.

（C）

    ①More and more people like bicycling and it is no surprise. It is fun, healthy and good for the environment. Maybe that's why there are 1.4 billion bicycles and only 400 million cars on roads worldwide today. Bikes can take you almost anywhere, and there is no oil cost!

    Get on a bicycle and ride around your neighbourhood. You may discover something new all around you. Stopping and getting off a bike is easier than stopping and getting out of your car. You can bike to work and benefit(受益) from the enjoyable exercise without polluting the environment. You don't even have to ride all the way.

    ②Folding(折叠) bikes work well for people when they ride the train. Just fold the bike and take it with you. You can do the same on an airplane. A folding bike can be packed in a suitcase. You can also take a common bike with you when you fly. But be sure to look for information by getting on airline websites. ③Not all airlines（航空公司） are bicycle-friendly to travelers.

    Health benefits of bicycling:

    It helps to prevent heart disease.

    Bicycling helps to control your weight.

    A 15-minute bike ride to and from work three times a week burns off five kilos of fat in a year.

    ④________________________________________________ .

    Exercise like bicycling has been shown to make people feel better, more relaxed and self-confident.

    All over the world, and for many different reasons, there are millions of people who never eat meat. These people are called vegetarians(素食主义者). To people who eat meat, being a vegetarian may seem like a very strange thing. But they won't eat meat for several different reasons.

    First, vegetarians have a big health advantage. One of the major health problems in modern world is too much food, especially in the form of animal fats. Medical study suggests that animal fats, including butter, quicken the development of cholesterol (胆固醇) in the human body. Too much cholesterol seems to be part of the cause of heart disease. Most vegetarians have low level of cholesterol. Too much animal fats also seem to lead to certain kinds of cancer, and vegetarians have less these cancers than people who eat a lot of meat. Overall, studies comparing the health of vegetarians and meat-eaters show that the meat-eaters are twice as likely to die of heart disease as vegetarians are.

    Better health is one reason that people choose to become vegetarians. Another reason is religion (宗教). Eating of meat is never allowed in some religions. The largest of these is the Hindu religion, which has about.600 million believers in the world. Although not all Hindus are vegetarian, many are, and there are many believers of other religions, such as Buddhism and even some Christian religions that also do not eat meat. Many vegetarians do not eat meat simply because they do not like the taste of it. They have no religious or other reasons; they just do not like meat. Another important reason that vegetarians give for not eating meat is the health advantages that were given above. Lastly, there are many people who do not eat meat because they just do not like the idea of killing animals for food. They believe that life, all life, is valuable and that we do not have to destroy life to feed ourselves when there are other good sources of food.

    What can you do when someone hurts you? Most people may be angry or even fight with the one who hurts him or her. But it's not a good idea. The best way is to forgive him or her. Although it is not easy for us to forgive people who hurt us, it is possible. "Forgiveness makes people hopeful. And it is good for our health," says Fredric, Ph. D. the writer of the book called Forgive for God.

    But how can we forgive others?

    First, think of something beautiful and try to get yourself happy.

Second, don't wait for others to say sorry to you. If some people hurt you, they won't say sorry to you. They may just want to hurt you or they just don't see things the same way.

    Third, try to see things in others' shoes. You can write a letter to yourself from the offender's (冒犯者)point. That can make you understand others better and make yourself happier.

    At last, don't forget to forgive yourself. For some people, forgiving themselves is the biggest challenge(挑战). And it also makes you more confident.

    Last month I got the chance to take part in an underwater research project in an area of the Gulf of Mexico called the Flower Gardens. A team of professional researchers were trying to learn more about the fish and other animals that live in this part of the sea. The Flower Gardens are a long way from the shore(海岸) and we spent three days on a boat.

    The team used a piece of underwater equipment to collect information. This underwater equipment is called a Remotely Operated Vehicle (ROV). The ROV could measure water depth and temperature and it also had a camera that sent live film back to the boat. The ROV was great fun. It was controlled by a computer on the boat, and I was allowed to operate it a few times.

    However, the thing I enjoyed most was diving into the water. At first, I was quite frightened—mainly because I couldn't see land in any direction. But as soon as I jumped into the water, I wasn't afraid anymore. It was amazing to see the colourful fish swimming around and I could see all the way to the Flower Gardens, which are almost 30 metres down.

    I will never forget the Flower Gardens. The trip was like a holiday but I also learnt new things about science and research projects. The team were very friendly and everyone was happy to explain what they knew about the sea. It was a great opportunity and it has made me think about my goals in life. The experience will surely encourage me to work harder to become a scientist.

    Zhou Yan, a Junior 3 students in Taiyuan, wishes he never got a mobile phone. Last week he went to see a doctor because his arms and fingers were in great pain, and he could not see very well. The doctor told him that he had "mobile phone disease". A growing number of teenagers(青少年) are getting "mobile phone disease" because more and more people are using mobile phones.

    Zhou got his mobile phone only five months ago. His mum bought it for him to use when he was out. But Zhou used it to send messages to his friends. He sent messages to them all the time, even after going to bed, Zhou started to do badly in the exams because he spent so much time playing with his mobile phone. His mum got very angry with him but Zhou Yan didn't stop playing with the mobile phone until his arms started to hurt, Yang Ling, a doctor, says that if someone uses his mobile phone too much, like Zhou Yan, he might get "mobile phone disease".

    If teenagers find their arms or fingers hurt, they should go to see a doctor as soon as possible. Yang Ling suggests teenagers should try to use their mobile phones less, especially at school. They should try to have fun in other ways, such as reading and doing sports.

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