Question: Write a multi-choice question for the following article, with the given choices and answer: Article: Wind is the great maker of waves. There are exceptions , such as the tidal waves sometimes caused by earthquakes under the sea. But the waves most of us know are caused by winds blowing over the sea . Now let's learn some physical things about it. A wave has height, from low point to high point . It has length --the distance from this high point to that of the following wave. The period of the wave means the time it takes for succeeding high points to pass a fixed point. None of these things stays the same--for all depend upon the wind, upon the depth of the water and many other matters. The water that makes up a wave does not advance with it across the sea. Each drop of water turns around in a little circle with the passing of the wave, but returns very nearly to its original position . And it is lucky that this is so. For if the huge groups of water that make up a wave really moved across the sea, sailing would be impossible. If we want to find the speed of a wave, we may use the following way : Speed =" wavelength" x frequency . Here, wavelength is the distance between two high points , frequency means the number of cycles per second Options: A Earthquakes and nothing else. B Only wind. C Wind causes most waves. D Wind causes some waves. Answer: C Wind causes most waves. Question:
Answer: What causes waves?

[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: Have you ever dreamed about sending a letter to yourself or your friends in the future? While express mail is a fast way to send your letters, there is another type of mail appearing in China as a new business--future mail. "The letter should be sent next Mother's Day and not a day earlier!" Lin Xiaofan, a college student in Shanghai, tells one of the companies offering the service. Lin Xiaofan wrote the letter to her mother nearly a year earlier to express her love to her mother for next Mother's Day. "Offering this service makes people slow down and lets them understand the meaning of 'time' in another way," said Zheng Zhimin, manager at a "future mail" company. Zheng thinks "future mail" letters help remind us of care, friendship and love. While "future mail" is becoming more and more popular, some people are wondering what will happen if the postal address changes or if the company goes broken before the letters arrive. Zheng said customers are glad to sign a contract to make sure that they can be _ if their letters are lost or damaged. Most of the customers are college students and young white-collar workers. Psychologists said that young Chinese might have a new way to express their feelings through this service. Most people put their hopes and wishes in the letter so that they can experience the connection between the past and the present when they receive the letter. Options: A sign a contract B express our love and care C forget friendship D understand the meaning of "time" in a wrong way Answer: B express our love and care Question:
****
[A]: The "future mail" service can help us _ .

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Everybody can suffer from stress. No matter what your age is, you can feel stressed out by things that are happening in your life. Teenagers, however, have many more opportunities to get stressed than people in any other age group. Being a teenager is hard. You are not a child any more, but you are not an adult, even though you have to deal with some very grown-up problems and decisions. Families can be one of the biggest causes of stress, such as problems with parents arguing at home or problems with brothers and sisters. Teenagers also have a lot of stress from school, either from their teachers or from their friends. Some teenagers also feel stressed about choosing their education after high school. Getting a place at university can be very difficult and some cannot afford to go to university. The stress about getting a job when finishing school is hard for some teenagers. There are so many young people finishing school and not enough jobs for them. Sadly, there is nothing we can do to remove these causes of stress from the 1ives of teenagers, but you can learn the best way to deal with it. Talking to people is one of the best ways to deal with stress. It may sound simple, but it is true. A problem shared is a problem halved. Options: A by not trying to find a job B by forgetting about our problems C by getting a place at university D by sharing our problems with our friends Answer: D by sharing our problems with our friends Question:
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output: We can deal with the stress in our life _ .

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Sally Ride was born in California in 1951. She was the first American woman to travel into space. She loved to play tennis and wanted to be a tennis player when she was young. But after three months' professional training, she changed her mind. She went to Stanford University and started to study science. She studied stars and planets. She did researches at the university and got her PhD in astrophysics after several years' hard work. In 1977, she took a test to become an astronaut. And then she was picked up from over 8,000 people. In order to realise her dream of going into space, she had to get different kinds of special and difficult training. She learned how to fly a plane, how to jump out of a plane as well as how to operate special machines Sally and four other astronauts flew a spaceship called Challenger on Jun. 18, 1983. She became the first American woman to travel into space. Later, she taught at the University of California. Then she wrote seven books on space for children, encouraging children to study science. Unfortunately, she died in 2012. Options: A She wanted to study stars. B She wanted to study science. C She wanted to play tennis. D She wanted to do researches. Answer: C She wanted to play tennis. Question:
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output:
What did Sally Ride want to do at first?