题型:单选题 题类: 难易度:普通
教与学-课程同步讲练 第1章复习课
编号 | SO2 浓度. (g/L) | 菠菜/油菜(小白菜受害时间(min) | |||
出现黄斑 | 较多黄斑 | 大面积变黄 | 整体变黄 | ||
1 | 0 | f | |||
21 | 0.28 | 3/17/13 | 6/25/20 | 10/32/24 | 20/46/31 |
3 | 0.42 | 2/7/11 | 4/22/18 | 9/28/22 | 15/34/28 |
43 | 0.56 | 1/5/6 | 3/10/12 | 7/15/16 | 13/24/20 |
深度 | 表面 | 2 cm深处 | 4 cm深处 | 6 cm 深处 |
干细沙的温度/℃ | 26 | 24 | 22 | 20 |
湿细沙的温度/℃ | 24 | 23 | 22 | 21 |
编号 | 二氧化硫浓度 | 菠菜/油菜/青菜受害时间(分) | |||
出现黄斑 | 较多黄斑 | 大面积变黄 | 整体变黄 | ||
1 | 0.28 | 3/17/13 | 6/25/20 | 10/32/24 | 20/46/31 |
2 | 0.42 | 2/7/11 | 4/22/18 | 9/28/22 | 15/34/28 |
3 | 0.56 | 1/5/6 | 3/10/12 | 7/15/16 | 13/24/20 |
4 | 0 | --- | --- | --- | --- |
试题篮