问题
填空题
气相色谱分析用归一化法定量的条件是（）都要流出色谱柱，且在所用检测器上都能（）。
答案
参考答案：样品中所有组分；产生信号
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气相色谱分析用归一化法定量的条件是（）都要流出色谱柱，且在所用检测器上都能（）。
参考答案：样品中所有组分；产生信号
| 阅读理解。 | ||||||||||||||||||||||||||||||
下面表格是小组同学的家庭成员情况,请根据表格的内容,补全下面的短文.
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| My name is Peter. Tim, Betty, Mary and Jack 1 my classmates. We are in the same class. My father is a teacher, and my___2____ is a teacher, too. But Jack’s father is a ____3____. Mary’s father is a ___4____, but her mother has no job. ____5____ is worker, and his mother is a doctor. Jack is young. He’s ____6____. He has no brother or sister. ____7____ is 13. Her sister’s name is ____8____. Alice is a girl. She’s ____9____ sister. Betty has no ___10____, but her brother’s name is John |