问题 选择题

下列属于后天性行为的是(  )

A.蜜蜂采蜜

B.雄鸡报晓

C.鹦鹉学舌

D.鸟类迁徙

答案

先天性行为是指动物生来就有的,由动物体内的遗传物质所决定的行为,称为先天性行为,例如:蜜蜂采蜜,蚂蚁建巢,蜘蛛织网,鸟类迁徙等. 先天性行为是动物的一种本能行为,不会丧失.后天性行为是动物出生后通过学习得来的行为.动物建立后天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.鹦鹉学舌是通过学习训练得来的行为,属于后天性行为;公鸡报晓、鸟类迁徙、蜜蜂采蜜是生来就有的,不学就会的,由体内的遗传物质所决定的先天性行为.

故选:C.

阅读理解

阅读理解。

     In elementary school (小学), Guadalupe Quintanilla was often referred to (认为)as a "slow learner" by her

teachers. But she really wasn't slow at all. She just didn't understand the language used in the classroom. Her

problem was that she didn't speak English. So she left school after the fourth grade.

     When Guadalupe grew up, married (结婚), and had children of her own, she knew that her children were

clever. But some of their teachers didn't think so. The children were having trouble in school because they

didn't speak English. Mrs Quintanilla was angry. She didn't want people to think that her children were slow

learners. So she decided to learn English herself as a way of helping them. She practised English. She looked

up words in the dictionary. She asked the school headmaster to let her sit in on classes. It wasn't easy, but

she passed all her exams. She said that many of the other students helped her.

     Mrs Quintanilla has helped her children with their lessons. Her two sons have won success (成功). One is

a teacher, and the other is a doctor. Her youngest child, a daughter, is studying in a university (大学).

1. Guadalupe was called as low learner _____.

A. to make her study harder

B. because she wasn't clever

C. because she stayed at home

D. because she didn't speak English

2. According to (根据) the story, children who don't speak English _____.

A. may have more trouble in school

B. have trouble playing football

C. often write a diary

D. grow up to be teachers

3. Which happened first?

A. Guadalupe passed all her exams.

B. Guadalupe left school after the fourth grade.

C. Guadalupe had three children.

D. Her two sons won success.

4. The story is mainly (主要的) about _____.

A. learning to sing and dance

B. the problem of slow learning

C. going to a university

D. Mrs. Quintanilla's success

单项选择题