短文填空。（用方框中的词的正确形式填空，将短文补充完整(注意大小写)。

Dear Dr Know,
I’m not ____ , I have too many rules in my house, I have to get ____  at six o’clock every morning. I can’t meet my ____ after school because I have to do____ homework. I can’t watch TV on school nights. And I have to be in bed by ten o’clock.____ weekends, I have to ____  my room and wash my clothes. Then I ____ to help my mom make ____ . Later I have to go to____  Children’s Palace to learn piano. I never have any fun. What____  I do ?
Zhao Pei

（2015•莱芜）已知m+n=3，m﹣n=2，则m²﹣n²=____ 

右图为训练蚯蚓走“T”字形迷宫的实验。进行实验时，在迷宫的一臂安上电极，另一臂是潮湿的暗室，暗室里有食物。在实验过程中，当蚯蚓爬到安有电极的一臂，就会受到电击。经过一段时间的训练后，蚯蚓能够学会选择，爬向有食物的另一臂。据此作答：

⑴从这种行为产生的主要因素来看，它属于____ 行为。
⑵无论动物等级高低，都会有____行为，动物越低等，学习能力就越____ ，学会某种行为中“____ ”和“____ ”的次数就越多。