Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Not all memories are sweet. Some people spend all their lives trying to forget bad experiences. Wars and traffic accidents can leave people with terrible physical and mental _ Often they appear again in dreams. Now American researchers think they are close to developing a pill , which will help people forget bad memories. The pill is designed to be taken immediately after a frightening experience. They hope it might reduce , or possibly erase the effect of sad memories. In November, some scientists tested a drug on people in the US and France. The drug stops the body producing chemicals that fix memories in the brain. So far the research has suggested that only the mental effects of memories may be reduced, not that the memories are erased. The research has caused plenty of argument. Some think it is a bad idea, while others support it. Supporters say it could lead to pills that prevent or treat soldiers' troubling memories after war. They say that there are many people who suffer from terrible memories. "Some memories can destroy people's lives. They come back to you when you don't want to have them in a dream. They usually come with very sad feeling." said Roger Pitman, a scientist of psychiatry at Harvard Medical School. "This could relieve a lot of that suffering." But those who are against the research say that it is very dangerous to change memories because memories give us our identity . They also help us all get away from the mistakes of the past. "All of us can think of bad events in our lives that were terrible at the time but make us who we are. I'm not sure we want to erase those memories," said Rebecca Dresser. Options: A a new medical invention B a new research on memories C a way of erasing sad memories D an argument about the research on the pill Answer: D an argument about the research on the pill Question:
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The answer is:
The passage is mainly about _ .

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Hi! My name is Martin. I come from the USA. I'm in Shanghai, China now . My telephone number is (021)83130761. I am in No. 6 Junior High School. I'm in Class Five, Grade Seven. Hu Jing and Xiao Bin are my Chinese friends. We're in the same school. We are all thirteen . Miss Qiu is my English teacher. She has a round face, a big nose and big eyes. I like her very much . ,. Options: A eleven B fifteen C thirteen D fourteen Answer: C thirteen Question:
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The answer is:
Martin is _ years old.

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: More than 200 activities have been held so far during the Chinese Language Year in Russia. It has not only made Chinese culture popular in Russia, but also improved understanding and friendship between Russians and Chinese people. More and more Russians begin to enjoy Chinese food and operas, watch TV programs to leam Chinese, and travel in China. Since the Chinese Language Year program in Russia started, so many events such as movie weeks, operas, Chinese language classes, language contests and teaching programs have been popular in Russia. Through the activities, Russian people have had a chance to leam more about the Chinese culture, literature, history and its life today. For example, the first group of 500 Russian students visited the Chinese cities of Beijing, Dalian and Qingdao. There they painted both countries' landmarks, including the Tian' anmen Square, the Great Wall, the Kremb ,the Volga River and the Red Square. When the Russian students returned, they took part in a photo contest and a writing contest to show their love for China. And Russians, especially young people, have become more and more interested in learning Chinese. To date, more than 130 universities in Russia are offering Chinese courses. More than 20 middle and primary schools have also taught Chinese as their first foreign language. Options: A They had language contests. B They went to see a movie and operas. C They had teaching programs. D They visited some cities and painted both countries' landmarks. Answer: D They visited some cities and painted both countries' landmarks. Question:
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The answer is:
What did the first group of Russian students do in China?