题目内容：

Answer the questions（根据短文内容回答下列问题）

Australia is almost as large as China（China is about 9,600,000 km2 while Australia is 7,682,300 km2）,but Australia has a much smaller population（just over 19. 5 million）. Most people live in cities along the coast of Australia, and huge areas of the rest of Australia are uninhabited（无人居住的）. In some areas, families live a long way away from one another and from towns and cities. Australians call this part of the country "the Out back（内陆）"or "the Bush". Most people who live in the outback work on huge sheep or cattle stations（农场）.Some of these properties are as large as 3,000~5,000 km2 and their nearest neighbours may be 100 km or more away.

Many children in the outback are too far from town to travel to school. Instead, they attend one of the sixteen Schools of the Air. The schools are located in towns and teachers use high frequency radio to talk to their classes. They also post work to the students who post it back for their teacher to mark. Students also use the Internet, fax and phone to communicate with their teacher and with other students. Sometimes students are sent a video or audiotape to help them with their lessons.

Tim Benton's brother George is the manager of a large cattle station in the Northern Territory. When they were in primary school, George's children, Rebecca and Oliver, attended the Alice Spring School of the Air. Their mother and father took it in turns to help them with their lessons. After they finished primary school, Rebecca and Oliver went to a high school in Alice Springs. They lived with their Aunt Mary during the school term and returned home during the school holidays. At first, high school was difficult because they weren't used to being in a class with other students. In some subjects, they did not know as much as the children from the town. However, they soon caught up because they had very good study skills, thanks to the School of the Air.

1.Where do most Australians live?

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2.Where did Rebecca and Oliver live when they attended primary school?

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3.Where did they live when they attended high school?

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4.Which subjects do you think would be hardest to study at home?

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5.Why do you think Rebecca and Oliver had such good study skills?

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6.When Rebecca and Oliver were in high school, why did they only go home in the school holidays?

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