Saturday, September 17, 2022
问题:()的构造特点是毛细管较粗,在透明的酒精柱中有一蓝色哑铃形游标。A、地面最低温度表B、地面最高温度表C、地面温度表D、曲管温度表
Friday, April 14, 2023
Tuesday, January 2, 2024
Monday, April 22, 2024
Thursday, September 5, 2024
Sunday, May 19, 2024
问题:简述快速测定种子活力(红墨水法)的基本原理及测定结果的计算方法
Wednesday, November 1, 2023
问题:土壤温度过高,土壤通气不良等引起的干旱是()A、土壤干旱B、大气干旱C、生理干旱D、干热风
Wednesday, September 14, 2022
问题:影响光合作用的环境因素有()、()、()、()和()。
Saturday, April 29, 2023
问题:土壤温度随着纬度增加、海拔增高而逐渐()。A、不受影响B、降低C、增高D、可能增高也可能降低
Tuesday, October 8, 2024
Tuesday, March 28, 2023
Thursday, September 7, 2023
Thursday, September 5, 2024
Wednesday, September 14, 2022
Saturday, September 17, 2022
Friday, March 10, 2023
Tuesday, January 2, 2024
Monday, September 12, 2022
问题:植物不同器官对生长素的敏感程度不同,()最敏感,()次之。
Wednesday, September 14, 2022
Saturday, April 29, 2023