根据短文内容，完成下列任务。

    China has its first Nobel Prize in Science. And the winner, 84-year-old Chinese scientist Tu Youyou, also became the first Chinese woman to win the Nobel Prize. She won the 2015 Nobel Prize in Physiology or Medicine with William C. Campbell, an Irish-born researcher, and Satoshi Omura of Japan. The three winners will share the prize of 8 million Swedish crowns ($920,000).

    Half of the Prize was given to William C. Campbell and Satoshi Omura for their new treatment against illness caused by roundworm parasites (寄生虫). Tu Youyou won the other half of the Prize for developing a medicine, Artemisinin(青蒿素), which can help people fight malaria(疟疾). More than 240 million people in Africa have benefited from the treatment, according to the WHO (World Health Organization), and more than 1.5 million lives have been saved since 2000, thanks to the medicine.

    Tu Youyou started her research in 1969 when she was chosen as the director of a government project to find anti-malaria medicines. She and her workmates studied ancient Chinese medicine books and many different traditional treatments. They did nearly 200 experiments before they finally succeeded in getting the material Qinghaosu, later known as Artemisinin, in the 1970s. This medicine became the standard treatment for malaria in the WHO's list of important medicines.

    Premier Li Keqiang congratulated Tu for winning the Prize. He said, "Tu's winning the prize shows China's progress in scientific and technological field, and marks a great contribution of Traditional Chinese Medicine (TCM) to human health."

    Although it's a late honor for Tu and the world's recognition of Traditional Chinese Medicine, Tu's winning the first Nobel Prize in Physiology or Medicine makes Chinese scientists encouraged and confident to achieve more success in the future.

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    This is a photo of my classmates. This is Tom. He can play the piano. He wants to join the music club. He thinks music is interesting. Who is the beautiful girl? Oh, she is Lisa. She can speak English very well. And her favorite subject is English. She wants to join the English club. Bob is a cute boy. He likes chess. He wants to join the chess club. I am good at swimming. I think it can make me relaxed. So I want to join the swimming club.

    An old man walked slowly into a restaurant with his cane(拐杖).His old jacket and shoes made him unusual that day.

    A young waitress named Mary watched him move towards a table by the window.She ran over to him,and said with smile,“Here,sir.Let me give you a hand."

    Without saying a word,he gave her a smile. She pulled the chair out from the table and helped him sit down. Then she put his cane against the table where he could reach ithimself. In a soft, clear voice he said,"Thank you." "You're welome, sir," she replied. I'll be back in a moment, and if you need anything, just wave(挥手) at me!"

    After he had finished a good meal,Mary brought him the change. She handed him his cane, and walked to the front door. Holding the door open for him, she said,“Come back and see us, sir! ”The old man turned around and smiled.

    When Mary went to clean his table, she was shocked. Under the plate, she found a business card, a 100—dollar and a note.The note said.

    “Dear Mary, I respect you very much, and you respect yourself, too. It shows the way you treat others. You have found the secret of happiness."

    In fact,the old man was the owner of the restaurant. That was the first time that she, or any of his waitresses, had seen him.

    Most people enjoy seeing a film because of its wonderful pictures and fantastic sounds. However, many years ago there were no sounds in the films. So actors had to act by using their body language. Everybody knows Charlie Chaplin, a world-famous funny actor. People everywhere have laughed at Charlie Chaplin's films until tears run down their faces. From his very first appearance they know what will happen. His body language makes people love his films.

    Charlie Chaplin was born in 1889 in London. When he was a child, his family was very poor in 1910, he went to the USA. In 1914 he made his first film. In this film he created the character of a little man who always faced difficulties. When Chaplin was rich, he opened his film company in 1918. He died in 1977.

    The poor man that Charlie Chaplin played in films makes all kinds of stupid mistakes. He is always in trouble, but he never gives up. He dreams of becoming a great man. Even people who don't understand English can enjoy Chaplin's films, because they are mostly silent. It isn't what he says that makes people laugh. His comedy (喜剧) doesn't depend on words. It depends on little actions which mean the same thing to people all over the world. This is the secret of Chaplin's huge success.

    "It's time to wake up, Emily," my mom sings from the kitchen. I pretended to open my eyes. Why didn't the alarm on my cell phone ring?

    Soon, I realized it was April 8, the day for my program: "A day without technology." I didn't realize what I had gotten myself into until I was driving to school in my car. No radio blasting my favorite songs. I had to sing to myself.

    As soon as I got to school, I went to the library to print out my English project from my flash drive. "Uh-oh," I thought. "This isn't expected." Finally, I had to spend nearly an hour writing the report again.

    The school day went on and I finally got used to the rules. This wasn't so hard! I could do this every day.

    I drove home in silence again, and my mind eventually went into after-school mode (模式), depending on what I would eat for supper and who would be voted off (被淘汰出局)American Idol later that night. The last thing I knew, I was chat with friends on Face book, check email and watch a video on YouTube, all at the same time!

    My mom walked in and her jaw dropped.

    "What happened to no homework?" she asked me. I froze for the second time that day and ordered myself to go back to reality. I had failed.

    This experiment, which many teenagers would never have the courage to try, was actually convenient to me. Even though my attempt(尝试) at going about my day without these luxuries (奢侈品) was a failure, I realized that if I really tried, I would be completely successful without my addiction to technology.

    These devices suddenly make my life easier, and I'm sure I wouldn't practice getting rid of them altogether, but I do believe the lives of today's teenagers would be dramatically different without our tech dependence.