【单选题】No rule of human conduct can be considered important in promoting the welfare of man unless
A.
it is in harmony with his nature.
B.
it has been turned into a law.
C.
it has nothing to do with his highest fitness.
D.
it disagrees with his highest ideals.
【单选题】No rule of human conduct can be considered important in promoting the welfare of man unless
A.
It is in harmony with his nature.
B.
it has been turned into a Law.
C.
it has nothing to do with his highest fitness.
D.
it disagrees with his highest ideals
【单选题】下列关于细胞培养用品清洗的说法,不正确的是
A.
因器皿的材料、结构、使用方法不同,清洗方法也有区别
B.
一般玻璃器皿的清洗步骤包括浸泡、刷洗、煮沸和冲洗四个步骤
C.
细胞培养用器皿清洗后要求干净透亮、无油迹、无残留物质
D.
每次细胞实验使用过的器皿,实验结束后立即泡在清水或洗涤液中
【判断题】在我国中小学班级组织的建构多数都属于直线式的建制形式。
【多选题】关于细胞培养的说法,正确的是
B.
细胞房一般有三层空间,最外面的一层洁净度最高
C.
细胞实验需要穿细胞房专用的实验服,除清洗外,禁止穿到外面
D.
一般用75%的酒精拖地,用84消毒液清洁操作台面
【单选题】关于动物细胞培养基的说法正确的是()
B.
人工合成培养基包含多种营养成分和微量元素,因此被广泛使用
C.
无血清培养基是目前大规模工业化生产的首选培养基
【简答题】岳阳楼,因( )、( )、( )、( )号称 “天下四绝”。