Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mark began to introduce the guest speaker to the listeners, but then stopped for a while. He had forgotten her name. Barbara hid her valuable things when she went on vacation. When she came back, she couldn't remember where she'd put them. Perhaps you've had such experiences like these. Most people have. But most of them haven't realized that they have a memory problem. Neither do they know a simple but important fact: Memory can be improved. If you'll just accept that, the following will show you how. First, relax. If you are over worried about something, you'll forget it. If you keep telling yourself that your memory is bad, your mind will come to believe it and you won't remember things. When you forget something, don't follow up with saying like "Oh, my god! I always forget things!" Such words will have a bad result on you and your memory. But relaxing isn't enough. To improve your memory, you'll need to take an active role. Like your body, your memory can be made strong through exercise. Look for _ to exercise your memory. For example, if you're learning a language, try to actively remember a lot of new words. If you don't take notice of things actively, you won't remember them. So, you can make pictures of what you see in your mind every day. For example, don't just put your keys down! If you want to find them again, make a mind picture of the place where you're putting them. Options: A to introduce the guest B to improve your memory C to remember new words D to forget unhappy things Answer: B to improve your memory Question:
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The answer is:
The purpose of the passage is to help you _ .

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Chinese star Yao Ming has retired. Yao made it official Wednesday, telling a news conference that a series of foot and leg injuries forced him to end his playing career at the age of 30. "I will formally end my career,'' said Yao, who became a household name in China before starting his NBA career with the Houston Rockets in 2002. Yao played eight seasons in the NBA. "Today is an important day for me and holds a special meaning for both my basketball career and my future,'' Yao said. "I had to leave the court since I suffered a stress fracture in my left foot for the third time at the end of last year. My past six months were a painful wait. I have been thinking about my future over and over. Today I am announcing a personal decision, ending my career as a basketball player and officially retire. But one door is closing and another one is opening.'' Yao said he would return to work with his former Chinese team, the Shanghai Sharks, with the possibility of becoming general manager. He already owns the club and wants to contribute more. "My playing career started with the club. I hope I can do something for it,'' Yao said. He later appeared with his family on the stage to the applause and cheers of the crowd. He thanked a lot of people -- his family, former coaches, even players like Shaquille O'Neal -- "for making me a better player.'' Rockets general manager Daryl Morey was among those attending the farewell conference Wednesday. Morey made the long trip from Houston. Morey said 20 hours on planes was tiring but "I would be sorry if I wasn't here." "It's a big moment,'' Morey added. "Yao had a sense of humor, a great attitude and sense of responsibility. I hope we can continue his culture in the NBA.'' Options: A Shanghai B Houston C Beijing D New York Answer: A Shanghai Question:
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The answer is:
Yao Ming started his playing career in _ .

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: China's first and only Grand Slam winner Li Na formally announced her retirement on Friday, leaving the Chinese tennis yearning for the next superstar. Following is part of her farewell and retirement letter: For close to fifteen years, we've been a part of each other's lives. As a tennis player representing China on the global stage, I've trekked around the world playing hundreds of matches on the WTA tour, for China's Fed Cup team, at the National Games and at several Olympic Games. You've always been there for me, supporting me, cheering me on, and encouraging me to reach my potential. Representing China on the tennis court was an extraordinary privilege and a true honor. Having the unique opportunity to effectively bring more attention to the sport of tennis in China and all over Asia is something I will cherish forever. But in sport, just like in life, all great things must come to an end.2014 has become one of the most significant years in my career and my life. This year was full of amazing highlights, which included winning my second Grand Slam singles title at the Australian Open and sharing the extraordinary experience with my country, my team, my husband and my fans. It was also a year filled with difficult moments, such as having to deal with the inevitable - making the decision to end my professional tennis career. The amazing moment in Australia was filled with joy, happiness and extraordinary sense of accomplishment. It took me several agonizing months to finally come to the decision that my chronic injuries will never again let me be the tennis player that I can be. Most people in the tennis world know that my career has been marked by my troubled right knee. The black brace I wear over it when I step on the court has become my tennis birth mark. After four knee surgeries and hundreds of shots injected into my knee weekly to ease swelling and pain, my body is begging me to stop the pounding. My previous three surgeries were on my right knee. My most recent knee surgery took place this July... Options: A Li Na is the first and only Grand Slam winner in China and has lots of fans. B Li Na has effectively brought more attention to the sport of tennis to China. C Li Na wanted to look different to wear a black brace over her right knee. D Li Na said goodbye to the tennis court because her body did not allow. Answer: C Li Na wanted to look different to wear a black brace over her right knee. Question:
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The answer is:
Which statement is NOT true about Li Na?