问答题 Morphemes can be categorized into (1) (1 word) morphemes and bound morphemes. There are two types of bound morphemes, i.e. (2) (1 word) morphemes and (3) (1 word) morphemes. Inflectional morphemes are used to indicate the (4) (1 word) aspects of a word.

单项选择题 计算有抛物线与直线所围成图形的面积时，既可以选作为积分变量，也可以选作为积分变量。 A、正确 B、错误

问答题 GX实验的主要内容有:以“32字诀”教学原则指导教材编写,兼顾教学内容的“____”与“循环上升”,正确处理教学内容的重难点。