For thousands of years, people have known that the best way to understand a concept is to explain it to others.“While we teach, we __,”said Roman philosopher Seneca. Now scientists are bringing this ancient __up-to-date. They're __why teaching is such a fruitful way to learn
Researchers have found that students who teach others work harder to __the material, and apply it more __. Student teachers score higher on tests than pupils who're learning only for themselves. But how can children,__learning themselves, teach others? One answer: They can teach younger kids. Some studies have found that first-born children are more __than their later-born siblings (兄弟姐妹),This__their higher IQs result from the time they spend teaching their siblings.
Now educators are experimenting with ways to__ this model to schoolwork. They engage college undergraduates to teach computer science to high school students, who then __ instruct middle school students on the __. But the most cutting-edge tool is the “teachable agent”-a computerized character who learns, tries, makes mistakes and asks questions just like a real-world__. Computer scientists have __ an animated(动画的)figure called Betty's Brain, who has been“taught” about science by middle school stints. Student teachers are motivated to help Betty __ certain materials. While preparing to teach, they organize their knowledge and__ their understanding. And as they explain the information to it, they identify problems in their own__.
Feedback from the teachable agent __improves the teachers' learning. The agents' questions drive student teachers to think and explain the materials in different __,and watching the agent solve problems allows them emotions one experiences into action.__,it’s the emotions one experiences in teaching that help learning. Student teachers feel __ when their teachable agents fail, but happy when these pupils succeed as they gain pride and satisfaction from someone else’s achievement.
1.A. learn B. doubt C. grow D. practice
2.A. tale B. lesson C. wisdom D. riddle
3.A. valuing B. proving C. questioning D. assuming
4.A. prepare B. preserve C. exchange D. understand
5.A. officially B. effectively C. fluently D. carefully
6.A. still B. even C. though D. once
7.A. curious B. energetic C. independent D. academic
8.A. approves B. witnesses C. suggests D. reviews
9.A. add B. apply C. offer D. show
10.A. as well B. at once C. in turn D. of course
11.A. topic B. event C. schedule D. experiment
12.A. teacher B. parent C. sibling D. pupil
13.A. created B. tended C. invited D. reserved
14.A. arrange B. mark C. master D. link
15.A. keep B. improve C. drop D. reach
16.A. thinking B. reading C. inspiration D. guidance
17.A. shortly B. hardly C. rather D. further
18.A. ways B. cases C. places D. orders
19.A. In all B. After all C. Above all D. For all
20.A. satisfied B. sick C. pleased D. upset
A healthy friendship isone____you share your true feelings without fearing the end of therelationship.
A. that B. who C. where D. when
She seldom smiles;____,I have seen her smile only once or twice since I came.
A. indeed B. instead C. however D. anyhow
In that case, no one and nothing can____you, and you have the peace and joy that isforever.
A. Judge B. invite C. guide D. disturb
There is really no obvious____that Justin was taken by aliens.
A. defense B. evidence C. effort D. arrangement
---Are you going to Australia for the coming winter holiday?
---Yes. I am making the bookings. It is exciting to think about that I ____a sun-bath on the beach soon.
A. am enjoying B. will be enjoying
C. have enjoyed D. will have enjoyed