【单选题】What can be inferred from the passage about people who are older than 15 years of age?
A.
They must have completed all of Piaget's stages of cognitive development.
B.
They are probably in the formal operational state of development.
C.
They have mastered deductive reasoning and are beginning to learn intuitively.
D.
They may still not be able to solve problems systematically.
【单选题】影响尿生成实验的下列结果中正确的是().
【判断题】细胞中的水是以游离形式存在的,是细胞中含量最多的成分
【单选题】数据库SQL语言中,AGE IN(15,35)短语的正确含义是(14)。
【单选题】()是构成各种糖类的基本单位,也是体内主要以游离形式存在的单糖。
【单选题】SQL中,“AGE IN(15,35)”短语的正确含义是