题型:单选题 题类:常考题 难易度:普通
2018学年七年级科学上学期第一单元月考试题(实验班)
编号 | SO2浓度 (克/升) | 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 | --- | --- | --- | --- |
装置 | 实验结果 |
A | 种子不萌发 |
B | 种子萌发 |
C | 种子不萌发 |
试题篮