Tuesday, September 13, 2022
问题:下列植物属于十字花科的是()A、白菜B、大豆C、黄瓜D、小麦...
Saturday, June 17, 2023
Wednesday, February 14, 2024
Saturday, September 17, 2022
问题:胚的组成包括()A、胚根B、胚茎C、胚芽D、胚乳E、子叶...
Tuesday, October 17, 2023
Friday, July 21, 2023
问题:伞形科植物中具有单叶的植物是()A、当归B、防风C、紫花前胡D、狭叶柴胡E、川芎...
Friday, May 10, 2024
Thursday, May 9, 2024
Saturday, September 17, 2022
Tuesday, October 17, 2023
问题:将何首乌加工炮制成制首乌后药物性能改变。制首乌功效主要是()...
Tuesday, September 13, 2022
Thursday, September 7, 2023
问题:叶序的类型有()A、对生B、互生C、轮生D、簇生E、螺旋生...
Saturday, June 17, 2023
问题:属于单子叶植物纲的科有()A、百合科B、姜科C、兰科D、薯蓣科E、天南星科...
Saturday, September 2, 2023
Sunday, May 5, 2024
Tuesday, September 13, 2022
Friday, May 19, 2023
问题:种子一般由胚珠发育而成,其结构一般由种皮、()、胚乳三部分构成。...
Sunday, May 5, 2024
问题:所有植物细胞的细胞壁都可划分为胞间层、初生壁和次生壁三部分。...
Thursday, February 1, 2024
问题:药材的防霉防虫措施,主要是控制库房的湿度在(),药材含水量应在()以下。...
Monday, April 1, 2024