问题
问答题 简答题
可编程控制器按输入/输出点数可分为什么？
答案
参考答案：小型机、中型机、大型机。
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可编程控制器按输入/输出点数可分为什么？
参考答案：小型机、中型机、大型机。
| 完形填空。 It was an exciting day last Saturday. Wei Hua 1 her classmates visited the Beijing Museum of 2 . There they saw the fossils (化石) of many kinds of dinosaurs(恐龙) and were very 3 in them. The dinosaurs eggs 4 show were found in the Gebi Desert in the 1920s. Miss Li, their 5 told them that the eggs 6 by dinosaurs about 95 million years ago. It is clear that the dinosaurs lived long 7 humans being appeared. The children were surprised to see a special dinosaur on display. It 8 in Liaoning Province. It was covered 9 feathers like a big bird. They 10 that dinosaurs had lived on the earth for more than 150 million years and disappeared(消失) about 65 million years ago. What an exciting day! | ||||
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