【单选题】Which of the following can best be applied to the Fed Reserve's conduct of monetary policy?
【单选题】下列关于动物细胞培养说法不正确的是
D.
动物细胞培养基成分组成简单,不需要额外添加血清
【多选题】关于细胞培养的实际应用,说法不正确的是
A.
生产细胞培养肉的主要目的是用于生物医学机理研究
B.
应用于COVID-19治疗的干细胞主要为胚胎干细胞
D.
细胞培养可以完全模拟体内微环境及细胞间的相互作用
【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
【单选题】Only sharp ______ can enable man to be just right and good in his conduct, and can produce such a sharp sense in the highest degree.
【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.
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。
C.
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。
D.
细胞培养用器皿清洗后要求干净透亮、无油迹、无残留物质。
【单选题】It can be inferred from the third paragraph that______.
A.
four-fifths of conduct disorder is caused by nurture
B.
one-fifth of conduct disorder is caused by nurture
C.
one-fifth of conduct disorder is caused by nature
D.
four-fifths of conduct disorder is caused by nature