Psychologists view "learning" as a process from unknown to know. ( )
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A high school students was 1.6 meters tall who started to learn the high jump when he was 13, and his high jump score was 1.7 meters. Two years later, when he grew to 1.75 meters tall, through training, his sports performance goes up to 2.00 meters. So his performance was improved through the exercises, so we can attribute it to learning.( )
A. 对
B. 错
以下()属于细胞内的小分子物质。
A. 蛋白质
B. 核酸
C. 酶
D. 多糖
E. 氨基酸
膜脂双分子层结构的脂类是 ()。
A. 兼性分子
B. 疏水分子
C. 亲水性分子
D. 非极性分子
E. 极性分子
红细胞膜ABO血型抗原的成分是 ( )。
A. 磷脂
B. 糖蛋白
C. 糖脂
D. 镶嵌蛋白
E. 膜内在蛋白