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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: Overlooking the swollen banks of the Missouri River at Omaha's riverfront landing, one scientist has an important explanation for the past three months of flooding .While many consider the flood to be man-made, a result of water released by the US. Army Corps of Engineers upriver, his theory aims to look deeper into the root of the problem. "The Missouri River is flooding," said Dr. James Hansen, Director of NASA's Goddard Institute for Space Studies, during a visit to Omaha on Tuesday."We've had floods that usually only happen once in every hundred years a couple of times on the Missouri River recently. That's one of the expected consequences of the increasing level of atmospheric carbon dioxide." Hansen, who is considered to be one of the world's leading experts on global warming , said the Missouri River is an example of how global warming is affecting the earth ."Unless you do statistics ,and you see that the frequency of these events is changing , it's not so easy to see that changes are occurring , because the climate system has large inertia ,"he said . Hansen explained, "The ocean is four kilometers deep, and the ice sheets are two or three kilometers thick , so they don't respond immediately as we begin to change the atmospheric composition .We've only experienced about half of the warming that will be caused by the gases already in the atmosphere .The full effect is going to be felt by our children and grandchildren .And if we continue to increase the amount of CO2, the effect will be even larger." Hansen drew a comparison, "If we spend more money than what we're taking in , we're leaving a debt for our children and grandchildren to deal with ."According to Hansen, the responsibility lies in effective policy making to fight against global warming .That includes a gradual reduction in carbon emissions .Hansen suggests that a rising price be placed on carbon emissions, which should be collected from the fossil fuel companies at the first sale . Without effective measures taken by the government, Hansen said the public could expect more of the recent extreme weather patterns,, including more severe droughts and floods in the decades ahead .
Answer: the army releasing water upriver
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Many people think the reason for the flooding of the Missouri River is _ .

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Article: Podcasting is like radio broadcasting, except that it uses the Internet. Anyone with a computer and a microphone can record a show about any subject. Anyone with a computer and an MP3 player can download the podcasts and listen. Podcasting does require some technical knowledge, but not very much. Many education-related podcasts are aimed at college students. But a growing number is created for, and by, students in middle school and high school. At mountain View Alternative High School in prefix = st1 /Centreville,Virginia, the students have spent several weeks preparing for their project. They have written their stories. And they have recorded music and other sound to use in their podcasts. Next, they bring together the different elements on a computer. Their teachers help by offering comments and suggestions. The students have made decisions about how to present their information. They have decided how it will be read, and how other sound will be used. Some students decide to read their story themselves. Others choose to create a different effect by having someone else read parts of _ . Through voices, music and sound effects, the students are able to create something deeply personal. With podcasting, students are using their skills in writing, reading and public speaking. At the same time, they are learning several new skills. They learn to work with the computer programs that are used for podcasting. They also gain experience in communications, broadcasting and problem-solving. Podcasts are being used in English classes and social studies, as well as foreign language classes. Being able to listen to recordings of their own voices helps students to hear mistakes. There are tens of thousands of podcasts on the Internet. They can be found on almost any subject, from current events of financial planning and poetry. People are now recording their thoughts on just about everything.
Answer: it makes use of the Internet
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Podcasting is different from radio broadcasting in that_.

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Article: Nick Petrels is a doctor in Montreal. He works 60 hours a week. He takes care of 159 patients a week in the hospital and at his office. He's been a doctor for ten years. Dr. Petrels gives his patients good medical advice. But he doesn't just tell his patients what to do. He also sings to them on television! Dr. Petrels has his own TV show. The show is in Italian, English and French. The doctor starts the show with a song and then gives medical advice. He explains a medical problem or disease in simple language. After that, he sings another song. Dr. Petrels produces and performs in his own show every week. The program is very popular with his patients and with people who enjoy his singing. His dream is to perform in Las Vegas. His favorite songs are love songs, and he has a compact disk of love songs that he wrote. Dr. Petrels says, "I always loved to sing. All my problems are gone when I sing." But when Dr. Petrels was young, his father didn't want him to be a singer, so he went to medical school. Some people tell Dr. Petrels he can help people more as a doctor. But Dr. Petrels says he helps people when he sings, too. "I like to make people smile. Sometimes it's difficult to make a sick person smile. Medicine and pleasure both try to do the same thing. They try to make people feel good."
Answer: takes care of 159 patients a week
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Dr. Petrels works 60 hours a week, because he _ .