问题 选择题

动物具有“学习”能力,这有利于动物的(  )

A.逃避敌害

B.寻找食物

C.寻求配偶

D.适应复杂的生活环境

答案

学习行为是动物出生后通过学习得来的行为,动物建立后天学习行为的主要方式是条件反射.参与神经中枢是大脑皮层,不是与生俱来的而是动物在成长过程中,通过生活经验和“学习”逐渐建立起来的新的行为.动物通过后天的学习,大大地提高了适应复杂环境的学习能力. 学习是指动物在成长过程中,通过经验的影响,发生行为的改变或形成新行为的过程.动物学习能力的大小与其进化的程度呈正相关,动物的种类越高等,学习能力就越强,学习行为所占的比重就越大.

故选:D.

选择题
单项选择题

An eight-year-old child heard her parents talking about her little brother. All she knew was that he was very sick and they had no money left. When she heard her daddy say to her (1) mother," (2) a miracle can save him now", the little girl went to her bedroom and took out her piggy bank. She (3) all the change out on the floor and counted it carefully. Then she (4) her way six blocks to the drugstore.

"And what do you want" asked the shopkeeper. "It’s (5) my little brother," the girl answered back. "He’s really, really sick and I want to buy a (6) . His name is Andrew and he has something (7) growing inside his head and my daddy says only a miracle can save him. " "We don’t (8) miracles here, child. I’m sorry." the chemist said, smiling (9) at the little girl.

In the shop was a (10) customer. He stooped down and asked the little girl, "What kind of miracle does your brother (11) " "I don’t know," she replied. "He’s really sick and mommy says he needs (12) . But my daddy can’t pay for it, so I have brought my (13) .""How much do you have" asked the man. "One dollar and eleven cents, (14) I can try and get some more," she answered quietly. "Well, what a coincidence," smiled the man. "A dollar and eleven cents—the (15) price of a miracle for little brothers. (16) me to where you live. I want to see your brother and (17) your parents. "

That well-dressed man was Dr Carlton Armp, a doctor. The operation was completed without any (18) and it wasn’t long before Andrew was (19) again. The little girl was happy. She knew exactly how much the miracle cost—one dollar and eleven cents—also the (20) of a little child.

11().

A.have

B.need

C.care

D.like