煨是将经过炸、煎、煸炒或水煮后的原料放入陶制器皿中加调料及汤汁，用旺火长时间加热成熟的一种方法。
参考答案：错
看图，补全句子。
1. Jim has his _____________ on Monday.
2. Jim _____________ on Tuesday.
3. Jim _____________ on Wednesday after school.
4. Jim _____________ on Thursday evening.
5. Jim has his _____________ class on Friday.
6. Jim has no class on _____________ and _____________.
在质量数据特征值中，可以用来描述离散趋势的特征值是( )。
A．总体平均值 B．样本平均值 C．中位数 D．变异系数
