题干

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。

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答案(点此获取答案解析)

学习,学习,弱,尝试,错误

同类题4

选择合适的选项补全短文。

    A class teacher, in my opinion, plays an important role in a child's development.____ This year, she is moving to Class Three and I can't wait to see how things are going on.

    Last year, my daughter did not like her teacher at all. It was so bad that she did not look forward to school. It was a year full of trouble and that worries.

   This year, Miss Purity is gentle and humorous. It's hard not to like her.____.

    She becomes an early bird. Last year, mornings were like a fight because I had to force Tasha to hurry up when she was preparing for school. I had to pull her out of bed, tell her to take breakfast and then drove her to school. But now, our mornings are like a party. She wakes up early, prepares everything at a high speed and then rushes to school to be with Miss Purity.

    She's happy. She enjoys school and school work and keeps talking about what they did at school when she comes home.

    She's responsible.____ But now she never forgets even her water bottle at school. She makes her bed and helps in the kitchen.

    Her diary is full of praises. The diary is the tool of communication between the teacher and the parents. Last year, her diary was always full of negative reports. One time, she poured water in a child's lunchbox, another time she threw another kid's textbook in the toilet.____ She's always volunteering to clean the blackboard, the teacher's chair and desk.

    ____ Finishing her classwork was such a big problem. She had to do it at home. But now, she finished both the classwork and homework at school.

A. Here are the changes in my daughter.

B. Now she began to share her snacks with those who did not have anything.

C. Every year when my daughter moves to a new class, I have a usual big worry—her new class teacher.

D. Her diary was good.

E. She has a good class teacher.

F. She used to be careless and forgetful.

G. She does well in school.