Monday, July 31, 2023
Wednesday, February 14, 2024
Tuesday, September 13, 2022
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
Thursday, September 7, 2023
Saturday, September 17, 2022
Tuesday, October 17, 2023
问题:寻找和开发新药的途径有()A、依据生物亲缘性B、从古代本草记载中开发C、从民族药、民间药中开发D、提取有效成分或有效部位E、对天然的化学成分进行结构修饰...
Monday, April 1, 2024
Saturday, September 17, 2022
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。...
Saturday, June 17, 2023
Friday, July 21, 2023
Friday, May 19, 2023
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
Monday, April 1, 2024
Thursday, May 9, 2024
Monday, July 31, 2023
Wednesday, May 10, 2023
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
问题:植物界分类单位(等级)是界、()、纲、目、科、属、种。...
Sunday, May 5, 2024
问题:下列生药中,何首乌以()入药,马钱子以()入药,桑螵蛸以()入药,枸杞子以()入药,哈蟆油以()入药,槟榔以()入药,雷丸以()入药,五倍子以()入药。...
Tuesday, April 11, 2023