There are many interesting stories between Father and Son.

One day, Father and Son were walking slowly 1 a river, suddenly Son cried, "Daddy, look, there is a woman falling into the river!"Without thinking too much, Father jumped into the water and 2to the woman, "Don't worry, lady. I'm a good swimmer and I will try my best to save you." Father pulled the woman on to the bank (岸边). He was 3but happy. But the lady was not thankful to Father at all; instead, she slapped Father heavily. She jumped into water again. Oops! This was a 4competition !

It was snowing 5, but Son was very happy. He spent a lot of time making a snowman with Father. It was tall and big. Son liked it very much. But at night, someone 6the snowman down. When Son saw this the next morning, he cried sadly. Father was angry and decided to find out who did this. He was dressed as a snowman and stood by the road. One man came here and wanted to push the snowman again. Bang! The snowman kicked his ass. "Oh, my god! I met a ghost! "The man ran away quickly.

One morning, Son told Father he didn't 7well. Father brought some warm water to Son and asked him to have a good rest, and then Father hurried out to 8some medicine; but on his way to the medicine shop,he found that he 9his money at home. When he opened the door, he found Son 10the cat happily .Father was so angry that he told Son to go to school at once.

    Dean felt his arms and legs were burning. With each breath, Dean wondered if he should be done, but as he touched the wall at the end of the pool he turned for another lap (圈). "I can do one more. This is for Kevin," Dean told himself. He was starting his seventh lap.

    Dean and the other members of his swim team were swimming to raise money for Dean's best friend, Kevin Hawking. Earlier in the year, Kevin fell ill. He needed expensive medical care that his family couldn't afford. After Kevin's friends learned what was happening, they started brainstorming ways to help. Several of Kevin's friends were on the swim team, which led to the idea of swimming.

    For a month, Dean and the other swim team members had asked for pledges (承诺) from anyone who would help: family members, friends, and neighbours. Most people pledged a dollar or two each lap. Dean's grandmother said she would offer $ 10 for each lap Dean swam!

    Finally, as Dean completed his tenth lap, he knew he was too tired to keep going. If I try another lap. I'll end up lying in the middle of the pool, waiting for someone to come and get me, he thought. Dean pulled himself up onto the edge of the pool and sat breathing quickly for a couple of minutes, quietly resting before he tried to stand.

    Dean's father came over and said, "Wow, Dean," shaking his head in amazement, "I am so proud of you. That's farther than anyone else has swum today, and I know it's farther than you've ever swum before."

    Dean stood up and slowly walked with his father back to the seats where the other swimmers sat next to Kevin. "Thank you," Kevin said.

    "It's no big deal. I know you'd do the same for me," Dean said.

内容提示：

Who's your best friend? 

Did you have a story to remember with him/her? 

How important is friendship to you? 

Something more about the topic. 

注意：文中不得透露个人真实信息：篇幅80词左右；标题已给出，不计入总词数。

My Best Friend And I

A 

B 

C 

D 

E 

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You may have a house robot that can do housework for you. But is it so smart?Met Laura,a robot in the National Library in Madrid. Spain,copying out the old books and writings in its collection. See Aurora,a headless dog-sized robot used to keep birds and other animals away at an Alaskan airport. Watch another 1. 8 meter-tall legless robot called EveR6,waving its arms to guide musicians through a performance. 

Those robots above require artificial intelligence(AD)（人工智能）. AI is a computer system（系统）that can understand languages,make decisions and solve problems. AI can be taught skills using a process called machine learning. Humans give AI information such as books,photos or videos to train it. The more information it studies, the better it can do its job. 

_________ For example, when you watch TV,Al is watching you. It'll know what your favorite is and suggest similar ones. In hospitals,AI is very good at suggesting treatments and can even invent new medicines. To cut down food waste,some schools introduce online systems for the students to choose meals ahead of time. In cities, AI is used to watch out for cars that make black smoke. It works together with the police and transportation teams to stop them and keep the air clean. Al can help us fight climate（气候）change by finding clever ways to reduce energy use. 

Some people worry that AI will take away a large number of jobs and also fear that AI could develop out of our control and bring danger to humans. However,AI is expected to be a more powerful production tool that will help humans achieve more in less time. It is believed that the flying car will be made to offer an easier way out of the morning traffic jam（交通堵塞）. Humans imagine AI might even use a way to solve the problems of our energy needs completely. Anyway,there is still long journey for humans and AI.