Eating lots of vegetables is good for our health. Different vegetables can help our bodies in different ways. Eating carrots is good for our eyes. Carrots can help us see better at night. Do you want to have strong teeth? If so, you can eat some peas(豌豆). Peas have vitamin(维生素) K in them. Vitamin K is helpful to your teeth. Do you like tomatoes? They look nice. Doctors call tomatoes "healthy vegetables", because they can help you not to get cancer(癌症). They also have a kind of special vitamin PP. It can keep our skin(皮肤) healthy. So it is important to eat some tomatoes. Don't forget about spinach(菠菜). The spinach leaves have vitamin A, vitamin C and vitamin E. They help our bodies make red blood cells (血红蛋白).Vegetables are very important to us, but we can't only eat vegetables. We also need to eat other kinds of food to keep healthy.

Joel Sartore is a writer, teacher, and photographer. His words and beautiful images show his love of photography and of the natural world. 

Question 1: How did you become a National Geographic photographer?

My first job was for a newspaper. After a few years there, I met a National Geographic photographer. He liked my photos and said I should send some to the magazine. So I did. That led to a one—day job. And that led to a nine—day job, and so on. 

Question 2:     ▲    

To get into National Geographic, you have to give them something they don't have. It's not enough just to be a great photographer. You also have to be a scientist, for example, or be able to dive under sea ice, or spend maybe several days in a tree. 

Question 3: Is it hard to get a job as a photographer today?

It's now harder to work for magazines. Technology makes it easy to take good pictures, which means there are more photos and photographers. Also, the Web is filled with photos from all around the world that are free, or cost very little. These photos are often good enough to be put in books and magazines. What the magazines need to do these days is to pay for these photos. 

Question 4: I want to be a photographer. Do you have any advice for me?

Advice? Well, work hard. Be passionate (热情的)about every project you work on. Take lots of pictures in different situations. Look at others' photos thoughtfully and learn from them. And be curious about everything. There's something to photograph everywhere. 

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Hello, everyone! Do you know the SOS student club? Yes, I'm {#blank#}1{#/blank#} member(成员) of the club. Now let me {#blank#}2{#/blank#} (tell) you something about it.

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There are many kinds of {#blank#}8{#/blank#} (activity) for students. Do you want to be {#blank#}9{#/blank#} (help) to others? If your answer is yes, come and{#blank#}10{#/blank#} (join) us. We need five new members. Please email us at SOSstudentclub@163. com.

In the US, about 400,000 students are learning Chinese. Chinese is getting more and more popular there.

Murray is one of the Chinese learners. He became interested in Chinese tea culture when he was 12 years old. To learn more about tea and find the best tea, he started to learn Chinese.

Murray spent two years learning Chinese at the University of Pittsburgh." Those two years of study life were very busy," he said. He went to a class at 8 a. m. on weekdays. All students needed to speak Chinese in class. Every Monday and Wednesday he went to a grammar class at 2 p. m. For Murray, Chinese grammar is easy because the Chinese language has no tense(时态). But the pronunciation is really a hard part of the language. To improve it, Murray needed to practice Chinese four tones(声调) every day.

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