We often hear the【B1】______, "Everybody talks about weather, but nobody does anything about it." This is really not【B2】______tod

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问题     We often hear the【B1】______, "Everybody talks about weather, but nobody does anything about it." This is really not【B2】______today. Something is, indeed, being【B3】______Today, meteorology is used to make people’s lives【B4】______and better.  Meteorologists are【B5】______studying the weather. Some meteorologists【B6】______the weather, others analyze weather information, and still others make forecasts about the weather【B7】______.
    The United States National Weather Service【B8】______a network of weather stations through the U.S. The Weather Service has more than 400 stations【B9】______. At these stations, weather observations are taken every hour, both during the day and night. The Weather Service issued 24-hour weather forecasts. It also issues 5-day forecasts, 10-day forecasts and even 30 -day forecasts.【B10】______.
    In the year 1959, the United States launched its first weather satellite. This satellite was specially designed to collect, record, and send back weather information to earth.【B11】______.They continue to provide valuable weather information to meteorologist in all parts of the world.
【B11】

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答案Since that time, several weather satellites have been sent into space

解析 前文谈到1959年美国发射了第一颗气象卫星及其作用。自那以后。美国又发射了几颗气象卫星。
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