存储文件
参考答案：
在SQL中，把传统的关系模型中的存储模式称为存储文件。每个存储文件与外部存储器上一个物理文件对应。
句型转换。
1. I'd like mutton and potato noodles. (就画线部分提问)
_____ noodles would you like?
2. She'd like a large bowl of dumplings. (就画线部分提问)
_____ _____bowl of dumplings would she like?
3. I like chicken and cabbage noodles. (改为否定句)
I _____ like chicken _____ cabbage noodles.
4. Rose would like a cup of coffee.(就画线部分提问)
_____ _____ Rose like?
5. What can I do for you?(改为同义句)
_____ I_____ you?
半软性填料的特点有哪些？
