问题
填空题
把在十分缓慢的冷却速度下得到的，反映铁碳合金结构状态和温度，成分之间关系的一种图解称为（）。
答案
参考答案：铁碳相图
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把在十分缓慢的冷却速度下得到的，反映铁碳合金结构状态和温度，成分之间关系的一种图解称为（）。
参考答案：铁碳相图
| 阅读理解。 | |||
| 完形填空。 One day, Jenny is 1____________ the bus. She is looking 2____________ the window of the bus. She sees a big green tree. There is a baby and her mother 3____________ behind Jenny. The baby is crying. She is loud. There is a boy and his father sitting in front of Jenny. They 4____________ talking. Jenny is going to 5____________ her grandma and grandpa. She loves them very much.
( ) 6. There is a boy and his father sitting behind Jenny. ( ) 7. The baby is crying and she is very loud. ( ) 8. Jenny loves her grandma and grandpa very much. |