请回答下列有关实验和探究的问题．

 如图所示是A，B，C三种固体物质的溶解度曲线，请回答下列问题：

（1）t₁℃时，A，B，C三种物质的溶解度由大到小的顺序是 ____；

（2）当A中混有少量B时，可用 ____的方法提纯A；

（3）将接近饱和的C溶液变成饱和溶液可采用 ____（填“升温”或“降温”）的方法；

（4）t₁℃时，A，C饱和溶液中所含溶质的质量 ____（填“可能”或“一定”）相同．

综合填空(用所给单词的适当形式填空。每词限用一次)

   Amy is thirteen. She comes from ____ . She’s in China with her ____ now. She’s a student in No.2 High School. She likes her school and all of her ____ . She thinks they’re very ____ to her. She likes Chinese, too. But she can’t ____  Chinese very well. Amy____ up very early every morning. She____  some milk and bread for breakfast. And she goes to school ____ bike.  She is never late.
   In the evening, she does____  homework and reads newspapers. She goes to bed at nine. She’s very____ every day.

读我国某地区简图，回答题。