I saw an accident on my way to the college three days ago.

    I was waiting for the bus at the but stop. When the bus came, I got on the bus and sat on the window side. The bus started to move. After about five minutes, the bus stopped to wait for the signal(信号灯). I looked outside and saw an old man crossing the road. There were not many people on the road. A boy was riding a motorbike very fast form my side. It seemed that he did not see the signal. When the boy took notice of the old man, he tried to slow down his motorbike but there was no time. He collided with the old man very badly. The old man was thrown far away The boy also fell down. His head hit the road but it was saved because of his helmet(头盔). Both of them lay in the pool of blood. Many people gathered(聚集) around them and gave their ideas. I got afraid because I saw the whole accident. Then a woman stopped and called the ambulance( 救护车 ). It came quickly and rushed them to hospital.

    The next day I read the newspaper. The old man died in the ambulance but the boy was saved in time. This was the most terrible accident I saw ever in my life.

    Do you remember when your grandma told you the story of Snow White? Ah, the happy days of childhood! But did you know that Snow White comes from Germany? It's just one story from the 209 in Grimm's Fairy Tales (《格林童话》).

    The Grimm brothers started to collect fairy tales in 1806. Their first book came out (出版) in 1812. Why are German fairy tales so interesting? Maybe it's because they come from a great place famous for its stories – the Black Forest.

    The Black Forest is in southwest Germany. It's the largest forest in the country – and one of the most beautiful. It's famous for its trees and lovely views. There are valleys and waterfalls (瀑布) there. It's a good place to start a story.

    Don't forget to bring something back if you visit. People there are good at making clocks, musical instruments and watches.

I was lonely when I was in high school because I went to a new school far away from my home. In the beginning, some naughty students often laughed at me because of my poor English, so I always tried to avoid them.

Soon I went to university. I was a poor student and I only had $20 for two weeks. I had to hide the truth carefully because I was afraid to be laughed at again. I ate little every day. One day, Joe, a classmate of mine, invited me to help him cook and then shared the completed dishes with him. Since I was not familiar（熟悉）with him, I refused him at first. But after some consideration, I decided to go. I used to cook at home, and I thought I could do it, but I was still full of worry. If he didn't like my cooking, what should I do? Later, it turned out to be a success. Then Joe wished me to make it a daily routine. It went like this. He did the shopping and I did the cooking. And then I stayed to have dinner with him.

It was not until graduation that I knew the whole story. Joe discovered my situation two years ago. In order not to hurt my pride, he came up with this idea just to make it much easier for me. When I cooked the last meal for him, I ordered a big cake and said to him with tears, "My dear friend, you and your help really brighten my college life. I'll never forget that."

That year I went to the college. On the first day of the term, I was so surprised because our teacher introduced an old lady to us in our class. She sat by me. She was very old, but she looked very energetic（精力充沛的）.

I was interested in why she came to the college at her age. "In fact, I always dreamed of having a college education（教育） and now I am getting one!" She told me later. We became friends. Every day we studied together. I always listened to her when she shared her stories with me. And she often asked me some problems about the lessons.

At the end of the term, we asked the lady to give a speech（演讲） to our class. I' ll never forget what she taught us. She said, "We do not stop working because we are old; we grow old because we stop. Do you want to stay young, be happy and successful? Never lose your dream and never give up."

The old woman's words touched all of us. And I still remember her words all my life, so I'll go on my dreams and try my best to make them come true.

How tall is a tree? Usually trees in parks are over a few metres tall. But in Xizang, a fir(冷杉) is about 83. 4m tall! It is the tallest tree in China until 2022. The tree is about 380 years old. It is still growing well. 

Chinese scientists measured it in August. How did they measure such a tall tree? Scientists climbed up to the top of the tree. It took them about seven to eight hours to get to the top. They put down a 100-metre-long metal tape(金属卷尺) to the ground. Scientists measured this tree with a drone(无人机) in May. They said it was 83. 2m at that time. This time, they measured the tree more carefully and found it was 83. 4m. 

Scientists used a drone to take photos of the tree. The drone took three to six photos every few metres. It got over 160 photos. Putting them together, scientists got a full-size photo of the tree!