Sunday, September 18, 2022
Thursday, September 22, 2022
问题:钟南山院士首创使用大剂量糖皮质激素注射治疗非典高危病人,取得了意想不到的效果。已知糖皮质激素具有应激功能(指机体遭受突然...
Tuesday, September 20, 2022
问题:沙漠中的仙人掌叶呈刺状,茎绿色且含有大量的水分,是对下列哪一因素的适应?()...
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:急性胃炎是部队常见的疾病,预防应注意以下哪些方面() ①戒烟酒、避免药物损害 ②避免刺激性、过冷、过热食物 ③忌不规律进...
Wednesday, September 21, 2022
问题:使用水准仪时,每当望远镜瞄准水准尺进行读数前,为使气泡居中,必须调整水准管时应该用()。...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:等级水准测量中,在一测段内使测站为偶数的方法是为了消除()。...
Thursday, September 22, 2022
问题:取苹果树的叶两片(A、B),将A片上表面、B片下表面分别涂上凡士林,再分别用细线拴住叶柄吊在室内。几天后发现A叶片萎缩,...
Wednesday, September 21, 2022
Thursday, September 22, 2022
问题:实测1:1000地形图时,对点误差不得大于5cm。...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:将一只雌蛾用玻璃皿罩住,玻璃皿外放一只同种雄蛾,雄蛾无任何反应,打开玻璃皿后雄蛾躁动不安,本实验能够说明()。...
Thursday, September 22, 2022
Friday, September 16, 2022
问题:把乙肝疫苗接种到人体内,使人体获得对乙肝的免疫力,这种措施和这种免疫分别是()...
Thursday, September 22, 2022
问题:单选题参与神经递质释放的连接方式是()。A 化学突触B 粘合带C 桥粒D 半桥粒E 间隙连接...
Monday, October 17, 2022
Wednesday, September 14, 2022
Tuesday, September 20, 2022