在高速主干网、数据仓库、桌面电视会议、3D图形与高清晰度图像应用中，一般采用______Mbps以太网。
参考答案：1000
解析： 尽管快速以太网具有高可靠性、易扩展性、成本低等优点，并且称为高速局域网方案中的首选技术，但在数据仓库、桌面电视会议、3D图形与高清晰度图像这类应用中，人们不得不寻求更高带宽的局域网。千兆以太网就是在这种背景下产生的。
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| We are middle school 1____________. We are 2____________ Grade 7. Kate, Mike, Lucy 3____________ I are in Class One. Kate 4____________ eleven. Mike and Lucy are twelve. I am thirteen. We have a new 5____________. In it you can 6____________ 40 desks and chairs. A blackboard, a clock and a map are on the wall. The map is a 7____________ China. 8____________ brooms are behind the door. On a desk you can see some pens. The red 9____________ is Kate's. Look at the clock. It's four o'clock. It's time 10____________ play games.
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