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In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.
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Article: A good memory is a great help in learning a language. Everybody learns his own language by remembering what he hears when he is a small child, and some children, like boys and girls who live abroad with their parents, seem to learn two languages almost as easily as one. In school it is not easy to learn a second language because the pupils have so little time for it, and they are busy with other subjects, too. A man's mind is rather like a camera, but it takes photos not only of what we see but of what we feel, hear, smell and taste. When we take a real photo with a camera, there is much to do before the photo is finished and ready to show to our friends. In the same way there is much work to be done before we can keep a picture forever in our mind. Memory is the diary that we all carry about with us.
Answer: hearing
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We usually begin to learn our own language by _ it.

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Article: I sometimes feel left out with my friends at the party.What can I do? --Susan Alice: Speak to your best friend before you arrive and ask her to make sure you don't get left out of the group.That way, she'll know to include you in all the fun.Make the effort to speak to some other people at the party.You might even make a new friend or two. Sometimes I think parties get boring and I want to go home! --Jenny Alice: Even a great party will drag if you're not enjoying yourself.Making the effort to dance and have a chat with your friends will beat the boredom! You don't have to stay to the very end of the party. Our school is having a Christmas dance party but I'm really shy.Shall I go or not? --Emma Alice: Part of you would like to go to the party, so give it a try.Let good friends know how you feel and make sure you'll have people to dance with when the evening comes.Practice some fun dances so you'll feel comfortable on the dance floor. Whenever I go to a party, my dad comes to pick me up at 8 pm.I always have to leave earlier than the rest of my friends and I get really angry with my dad. --Anny Alice: Talk with your dad and let him know how you feel.It feels hard to have different rules from your friends but don't worry too much--your friends are probably picked up soon after you anyway.
Answer: ask her friend for help
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Alice advises Susan to _ .

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Article: Some years ago, a Miami woman walking through an office building noticed two men standing together.Several minutes after her leaving, the men murdered a person working in the building.The police determined that the woman was the only witness and could possibly describe them.However, her memory of the men proved disappointingly unclear.Several days later, psychologist Ronald Fisher was brought in to obtain a more complete account from the woman.His interview produced a breakthrough--the woman reported a clear picture of one of the suspects.The important information enabled the police to arrest the suspect and close the case. The police asked Fisher for help because of his rich knowledge in cognitive interview, a kind of memory - rebuilding process.Memory researchers have found that people trying to remember a past event often only recall part of the relevant information.Human memory is selective and it is often _ by stress.But a person's accurate recall of an event or understanding of a question can be improved using specific interviewing techniques.The "cognitive interview" was developed in the late 1990s.It encourages the witness to take an active role in recalling information rather than giving answers only to someone else's questions.The witness first describes what happened in his or her own words, with no interviewer interruptions.The interviewer then goes further with specific techniques, such as having the witness tell the details of what happened from different perspectives . The cognitive interview focuses on guiding witnesses through four general recalling techniques: thinking about physical surroundings and personal feelings that existed at the time of past events; reporting everything that connects to mind about those events, no matter how broken it is retelling events in a variety of time orders, such as from beginning to end, end to beginning, forward or backward; and adopting different perspectives while recalling events. Experiments with police detectives trained in this demanding interview method find that they obtain nearly 50% more information from witnesses than before training, while error rates remain about the same.It is proved that cognitive interviews are quite important tools in improving the accuracy and completeness of witness testimony .
Answer: introduce an idea of cognitive interview.
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The purpose of the passage is to _ .