问题:原产寒温带的落叶树,通过自然休眠期要求()的一定累积时数的温度。A、-10-0℃B、0-10℃C、5-15℃D、15-20℃
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:下列树种中属常绿大灌木的是()。A、垂丝海棠B、圆柏C、杜鹃D、铺地柏
Thursday, September 14, 2023
问题:下列()有利于花芽分化。A、充足的水分B、弱光C、施磷肥
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:盛花期在夏季的树种是()A、紫荆B、紫玉兰C、紫薇D、紫藤
Tuesday, March 28, 2023
问题:常用于抗燃防火的树种是()A、杏子B、雪松C、复叶槭D、红楠
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:有些植物在当年形成的新梢上,能连续形成两次梢和三次梢,这种特性称为()。A、芽的早熟性B、芽的晚熟性C、芽的异质性D、芽的潜伏性
Thursday, September 14, 2023
问题:园林树木许多种类都有非常美好的意境之美,如紫荆常象征兄弟和睦,桂花象征科举高中等。
Sunday, September 11, 2022
Thursday, September 15, 2022
Friday, September 16, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:下列树种叶序对生的是()A、樟树B、含笑C、三角枫D、海棠
Thursday, September 15, 2022
Thursday, July 27, 2023
Friday, January 12, 2024
Tuesday, October 3, 2023
Thursday, September 15, 2022