①民族团结的原则是民族区域自治制度的核心

②国家积极引导宗教和社会主义社会相适应

③宗教界是我国爱国统一战线的重要组成部分

④党依法管理宗教事务，坚持独立自主自办原则

阅读短文，在横线上写出孩子们毛衣的颜色。

    Kate, Jim, Rose and Bill put their sweaters on the table. The sweaters are white，blue, red and black. We know the boys' sweaters aren't red and the girls' sweaters aren't black. What color is Kate's sweater? I don't know. But I know it is not blue.  Bill says, “My sweater is white”. Do you know what colors their sweaters are?

回答下列问题：

我国人口的突出特点是（    ）

五（1）班的女生25人，比全年级人数少 $\frac{7}{8}$ ，根据条件，可选择的问题是（  ）