问题
问答题 简答题
钢丝绳断绳主要有哪几方面的原因？
答案
参考答案：主要有钢丝绳断丝、钢丝绳锈蚀、钢丝绳磨损、超载运行。
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钢丝绳断绳主要有哪几方面的原因？
参考答案：主要有钢丝绳断丝、钢丝绳锈蚀、钢丝绳磨损、超载运行。
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| I have a good friend. 1 name is Mary. She comes 2 America. She is in China 3 her father and mother. She can speak 4 Chinese. She is in the No. 15 Middle School in Shanghai. Her father and mother 5 . They are in the No. 15 Middle School, 6 . Mary is a good student. She 7 school five days a week. She likes 8 up early. She 9 to be late (迟到). She often goes to school very early. But today she got up late. So she got to the classroom at seven thirty. But there weren't any students in the classroom. She wasn't late. She was still early. It was Saturday today. The students were all 10 . (生词：got是get的过去式；was是is的过去式；were是are的过去式) | ||||
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