Saturday, June 24, 2023
Tuesday, December 6, 2022
Saturday, September 17, 2022
Wednesday, September 14, 2022
Monday, September 12, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:杨树花叶病毒病可以通过嫁接传染,林业生产中主要是随带毒插条传播。
Monday, September 12, 2022
Wednesday, September 14, 2022
问题:撩壕整地又叫抽槽或沟带整地。是沿()从下而上开挖沟槽,把心土堆在下坡,筑成()的一种整地方式。
Wednesday, September 14, 2022
问题:在鸟类世界中,有留鸟和候鸟之说,下列鸟类哪些是留鸟?()A、丹顶鹤B、喜鹊C、杜鹃D、大雁E、麻雀
Saturday, September 17, 2022
问题:深翻结合施肥,可增加根量,提高梨树的()能力。A、保水B、抗涝C、抗旱
Wednesday, September 14, 2022
Wednesday, September 14, 2022
Friday, October 13, 2023
问题:苗木不失水,是保证苗木成活的前题,需要注意五个环节是什么?
Wednesday, September 14, 2022
Monday, September 12, 2022
Wednesday, September 14, 2022
Wednesday, September 14, 2022
问题:一般情况下,要想在幻灯片的每一张上添加一个标识,应该在()中进行操作。A、大纲视图B、幻灯片母版视图C、幻灯片浏览视图D、普通视图
Wednesday, September 14, 2022
问题:《森林法》的法律效力在宪法之下,在行政法规、地方性法规等之上。
Tuesday, November 28, 2023